You may then experience the thoughts and emotions that you have as a cloud surrounding you, a cloud that you can focus your attention on or not.
你可能会体验到你的思想和情绪就像是云朵一样环绕在你周围，你能集中注意力在云朵之上或者不能。
Promoters themselves are activated by other molecules, and whether they are switched on or not depends on whether the cell they are in provides the necessary stimulation.
启动子自身则由其他分子激活，这些启动子能否表达取决于其所在的细胞是否给其必要的刺激。
All of the incentive is really on winning and not losing on the field or on the court.
所有的激励真的都是为了在运动场或球场上赢而不是输。
There are no information signs in four languages on our public buildings or monuments; we do not have multilingual guided tours.
我们的公共建筑或纪念碑上没有四种语言的信息标志，我们也没有多语言的导览行程。
It's not safe for you to ride bikes too fast or play on the street.
在马路上骑车太快或者玩耍都是不安全的。
Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。
You can use margarine instead of butter on your potatoes, or not put so much cheese on the top of your pizza.
你可以用人造黄油代替黄油涂在土豆上，或者不要在你的比萨饼上放那么多的奶酪。
If you have a cold or flu, you'd better not pass it on to anyone else.
如果你得了感冒或流感，最好不要把它传染给别人。
They do not realize or do not want to realize that many farm families barely managed to get by on what they grow.
他们没有意识到，也不愿意识到许多农民家庭勉强靠自己种的东西过活。
Older people should not skimp on food or heating.
老人吃饭和取暖不应吝惜。
We did not want people on the show who are purely interested in plugging a book or film.
我们不想让那种纯粹只对宣传某书籍或电影感兴趣的人上节目。
Mr. Simon said he was not against taxes as such, "but I do object when taxation is justified on spurious or dishonest grounds," he says.
西蒙先生说过他并不反对税收本身，“但我确实反对以无根据或不诚实的理由征税，”他说道。
Modelling yourself on someone you admire is not the same as aping all they say or do.
以你仰慕的某个人为榜样并不等于模仿他们的全部言行。
The experiment is not a test of geoengineering since it will not have any effect on the climate or the weather.
这个实验不是一项地球工程学的试验，因为它不会对气候或天气产生任何影响。
Being overworked or over-committed at home and on the job will not get you where you want to be in life.
无论是在家庭生活上还是工作上，过度劳累或过度投入都不会让生活达到你想要的状态。
On the way, they must not kick or throw their cheese, or go into their competitors' lane.
他们不能在路上踢或是扔奶酪，或是闯入其他参赛者的赛道。
Streams flowed where nature intended them to, and water-driven factories had to be located on their banks whether or not the location was desirable for other reasons.
溪水的流向听从大自然的计划，不管有没有其他原因支持这个选址，水力驱动的工厂都必须设在河岸上。
He went on, "The enzyme is not harmful to humans or animals, and it is friendly to the environment."
他接着说，“这种酶对人类和动物没有伤害，而且对环境是友好的。”
Jens commuted to Parliament by bike or tram and does not take out bodyguards on weekends and holidays.
延斯去国会上班都是骑自行车或者坐有轨电车，周末和节假日出门也不带保镖。
Once we've read the material, we want to discuss it or hear it elaborated on, not repeated.
一旦我们读了材料，我们想要的是讨论内容或听到更多细节，而不是材料的重复。
Find students from different parts of the country, record them talking to each other in different combinations, report on how they accommodate their speech or not, that kind of thing.
找一些来自这个国家各个地方的学生，记录下他们说话的不同方式，写一个关于他们是如何根据不同的说话者调节自己口音的报告，诸如此类的事情。
These days, the time is everywhere: not just on clocks or watches, but on cellphones and computers.
如今，时间随处可见：不仅在钟表上，在手机和电脑上也能看到。
They also asked the children for their views on whether boys or girls should not play any of the four instruments.
他们还询问孩子们，对于男孩或女孩是否不该演奏这四种乐器中的某一种，他们怎么看。
Whether or not we can catch up on sleep—on the weekend, say—is a hotly debated topic among sleep researchers.
我们是否能在周末补觉是睡眠研究者们激烈争论的话题。
Whether or not we can catch up on sleep on the weekend, say — is a hotly debated topic among sleep researchers.
例如，我们是否能在周末补觉是睡眠研究者们争论的热点话题。
Multiple genes behaved differently, depending on whether someone had eaten or not before walking.
多种基因表现不同，这取决于一个人在行走前是否吃过东西。
They do not ask for pay rises or go on strike, and they work 24 hours a day.
他们不要求加薪，也不去罢工，而且他们每天工作24小时。
For women in the military, the search for equality will still be based on functional equivalence, not identity or even similarity of task.
对于军队中的女性来说，寻求平等仍然是基于功能对等，而不是身份甚至任务上的相似性。
A patient's silence should not be interrupted too early or allowed to go on unnecessarily.
病人的沉默不应被过早打断，也不应该不必要地持续下去。
Exams should be a method to test whether students grasp the knowledge or not instead of a burden on them.
考试应该是检测学生是否掌握知识的一种方法，而不是成为学生的负担。
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