But in present scenario, these roles are changed to a great extent.
但在当今社会，这些角色发生了很多改变。
But in present stage, it is impossible to cure AIDS. So persisting must be results in being infected.
但是就目前来讲，艾滋病是无法根治的，所以坚持下去必然会被感染艾滋病。
But in present all kinds of landscape planning and design of wetlands, there is a simple, modular, and park trend, lacking of wetland landscape characteristics.
但是目前在各类景观湿地的规划设计中，存在着简单化、模式化、公园化的趋势，缺乏湿地景观的特色。
It isn't a school subject or an academic discipline, but it can be learned; It is a quality that is required of artists, but it is also present in the lives of scientists and entrepreneurs.
它不是一门学校的科目或学术学科，但它是可习得的；这是艺术家必须具备的品质，但它也存在于科学家和企业家的生活中。
Comets formed in circular orbits but were gravitationally flung into their present-day elliptical orbits when they ventured too close to planets.
彗星在圆形轨道上形成，但当它们冒险太接近行星时，就会被引力抛入现在的椭圆轨道。
The bureau could easily present their data in more useful ways, but they have chosen not to.
这一部门能够以更有用的方式轻易地提供他们的数据，但他们选择不这样做。
I have now come to realize that being boring, in actuality, is not only about who you are as a person, but also how you present yourself.
我现在已经意识到，事实上，无聊不仅与你是谁有关，还与你如何展现自我有关。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
They live in a wide world, from east to west, ancient to present, but their hearts beat in a narrow desert, closed tight, unable to communicate.
他们生活在一个广阔的世界里，从东到西，从古到今，但他们的心却在一片狭窄的沙漠里跳动，紧闭着，无法交流。
No air bubbles were present in the green ice, suggesting that the ice was not formed from the compression of snow but instead from the freezing of seawater.
绿色冰层中不含气泡，这表明了这种冰层是由冻结的海水形成的，而不是凝结压紧的积雪。
Many things in the country are now waiting to be done, but at present they are not able to do the things all at once.
这个国家现在是百废待举，但目前他们还不能做到百废俱兴。
There was no microbody in the generative cell but many microbodies were present in the tube cell cytoplasm.
生殖细胞内不具微体，而管细胞的细胞质有较多的微体。
But they also present an opportunity in a time like this.
但是在目前这种时刻，它们也会带来机会。
But, touching your medicine, kind Sir, in my present frame of body, I need it not.
不过，亲爱的先生，至于你的药品嘛，就我目前的身体状况而论，我并不需要了。
The second is not discussed here, but does present interesting challenges in backward compatibility and flexibility.
这里不讨论第二种选择，但它的确在向后兼容性和灵活性方面提出了有趣的挑战。
The two are similar, but present differences in letter case, use of connective; e.g. hypen or underscore, and the type and number of possible extra tags (subtags).
两者是类似的，但目前的区别在于字母大小写，连接词的使用；例如：连字符或下划线，潜在的附加标签（子标签）类型和编号。
But with the electorate in its present bizarre, unpredictable mood, Ms o 'donnell may yet prove them wrong.
但目前选民们举动异常，情绪无法预测，欧德内尔女士也许会证明他们是错误的。
The European financial stabilisation facility (EFSF) is still being formed but in its present form the new common Treasury is only a source of funds.
欧洲金融稳定安排(EFSF)仍在成形之中，但以它目前的形式来看，这个新的共同金库只是一个资金来源。
Only one color but not one size. Stuck at the bottom yet easily flies. Present in sun but not in rain. Doing no harm and feeling no pain.
它只有一种颜色但不是一个大小，粘住它的底部它也能很轻易地逃脱，它只出现在晴天而不出现在雨天，它既没有害处也不会觉得疼痛，它是什么？
But in the present context it has outlived its usefulness.
但在现在的环境下已经失去了用途。
Most believe LeBron James is better than Kobe Bryant. They know about Michael Jordan, but they live almost completely in the present.
大多数人相信勒布朗詹姆斯要比科比布莱恩特出色，他们知道迈克尔乔丹，但他们更在乎现在。
We all learn to live only when we no longer have anything to expect, because we do not live in the living present but in a vague and distant future.
唯有当我们不再有任何期盼之时，我们才完全开始学习生活，因为我们不在活在当下的生活之中，而是在一种茫昧与远在的未来。
But in the present times, through the greater part of Europe, a creditable day-labourer would be ashamed to appear in public without a linen shirt.
但是现在，在欧洲的大部分地区，一个有体面、正式的工作却没有一件亚麻衬衫的人，恐怕都不好意思出现在公众场合了。
The British and their European partners have been more united in disapproval but have yet to present a real plan.
英国和他们的欧洲盟友已经统一认识拒绝承认齐贝吉先生的胜利，但是还没有提出一个可行的计划。
But good and evil are present in this world and between the two, there can be no compromise.
但是目前这个世界确实存在着善恶双方，而且双方之间无法达成妥协。
But in 2d cell cultures, such gradients aren't present.
但在2d的细胞培养基中，这样的梯度就不存在了。
The point for Marx is not to dream of an ideal future, but to resolve thecontradictions in the present which prevent a better future from coming about.
对于马克思来说，意义不在于梦想一个理想的未来，而是去解决当前社会中的矛盾，因为它们阻碍了更好未来的到来。
"But I am in the present now, am I not"?
但我现在就是在当下啊，不是吗？
But like white, it is present in almost every color, and forms the endless variety of grays — different in tone and strength.
但是，就像白色一样，它潜入了几乎所有色彩中，并生成变化无穷的灰色——它们的不同在于色调和浓度。
But like white, it is present in almost every color, and forms the endless variety of grays — different in tone and strength.
但是，就像白色一样，它潜入了几乎所有色彩中，并生成变化无穷的灰色——它们的不同在于色调和浓度。
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