当然，如果一定需要额外的精度，则可以选择具有高精度的数据类型，比如double或BigDecimal。
Of course, if you really do need the extra precision, then you'll need to pick a data type with more precision, such as a double or a BigDecimal.
墨西哥石油公司的工人如果达到一定的体重标准，一年将获得近300美元的健康奖励。
Workers at Mexican Oil Company will receive a health incentive of almost $300 a year if they meet certain body weight standards.
如果他的表情没有那么痛苦，那一定很英俊。
His face would have been handsome if it had not been so miserable.
他表示，如果弹钢琴的儿童更聪明，这不一定意味着他们是因为弹钢琴才更聪明。
If children who play the piano are smarter, he says, it doesn't necessarily mean they are smarter because they play the piano.
如果你认识的邻居很少，这并不一定意味着你不认识其他任何人。
It does not necessarily follow that if you know few of your neighbors you will know no one else.
如果是原子质量一定，而电子很小，那么带正电荷的部分几乎占据了全部质量。
If the atom is fixed mass, and the electron is tiny, it must be the positives have all the mass.
同样，如果一个人不能处理手头的事情，他或她一定不能解决后续棘手的难题。
Likewise, if one cannot deal with the things in hand, he or she must fail in the following knotty problems.
孩子们一起回家去了，他们心里非常高兴。如果他们没有死，他们现在一定还活着。
The children went home together, and were heartily delighted, and if they have not died, they are living still.
如果这次我逃过一劫，我打赌，我一定到主日学校里好好努力！
If ever I get off this time, I lay I'll just waller in Sunday-schools!
如果在线上操作，你可以打印你的电子票，一定记得把它带在身上。
When you do it online you can print your e-ticket which you must remember to bring with you.
某些植物种类如果感觉到了太多光就不开花，而有些只有感觉到了一定程度的光才会开花。
Certain plant species won't flower if they sense too much light and some plants will only flower if they sense a specific amount of light.
他认为，如果不具备一定的推理能力，没有人能够写出这样的作品。
No one, he submits, could have written it without possessing some power of reasoning.
如果娜娜和他们在一起，她现在一定已经在迈克尔的额头上缠了绷带。
If Nana had been with them, she would have had a bandage round Michael's forehead by this time.
如果是这样的话，你一定对著名的 NBA 篮球运动员科比·布莱恩特的去世感到非常震惊和悲伤。
If so, you must be very shocked and sad about the death of Kobe Bryant, a famous NBA basketball player.
在其他因素相同的情况下，如果一个人对他将要搬去的地方有了一定的了解，并且有时间去适应，那么他在养老院的表现可能和在小型安老院的表现一样好。
A person who had input into where he would move and has had time to adapt to it might do as well in a nursing home as in a small residential care home, other factors being equal.
如果同卵双胞胎彼此在疾病方面比异卵双胞胎更相似，那么这种疾病的易感性至少在一定程度上是由遗传造成的。
If identical twins are more similar to each other with respect to an ailment than fraternal twins are, then vulnerability to the disease must be rooted at least in part in heredity.
如果1托等于1毫米汞柱，那么1毫托一定等于1微米汞柱，对吧？
If one torr equals 1 millimeter of mercury, then 1 millitorr must be equivalent to 1 micrometer of mercury, right?
如果我是你的话，我一定去申请这个职位。我认为你大有希望。
I should apply for the post if I were you, I think you stand a good chance.
如果有，一定按照要求去做。
但是如果您需要增加一定的灵活性呢？
如果在一定的时间以后您并没有收到服务器的响应，再重新发送消息。
If you do not receive a response from the server after a certain amount of time, then resend the message.
希望大家圣诞快乐，如果你一定这么做，就痛痛快快地乐呵，祝你好运，新年的决定成功。
I hope you enjoy the Christmas season and indulge if you must, and best of luck with your New Year's resolutions.
如果你想赚一定的钱，那么制作一个计划并执行它。
If you want to make a certain amount of money, make a plan and execute it.
如果你一定想要把手机置于耳朵上，要确保两只耳朵交替使用并且尽量控制通话时间越短越好。
If you must put the phone to your head, make sure to switch ears regularly and keep the conversation as short as possible.
如果你遇到麻烦，我一定站出来帮助你走出困境。
研究者说如果你到了一定年龄且患有轻度的高血压，吃多点黑巧克力能够帮助降血压。
Eating more dark chocolate can help lower blood pressure — if you \ 've reached a certain age and have mild high blood pressure, say the researchers.
如果面试官一定让你说个数字，给个范围。
但是如果你一定需要一本书的话，就去读一下《长寿的秘诀》，这是一本很不错的书。
But if you do want a book, check out The Longevity Project - it's an interesting read.
但是如果你一定需要一本书的话，就去读一下《长寿的秘诀》，这是一本很不错的书。
But if you do want a book, check out The Longevity Project - it's an interesting read.
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