生物系统亿万年来都在这样做。
Biological systems have been doing this for billions of years.
目前，美国家庭实际上正在这样做。
我知道我现在这样做是很不对的。
一些分析人士说，医生在成本分析中占有一席之地，因为没有多少其他人在这样做。
Some analysts say that there's a role for doctors to play in cost analysis because not many others are doing so.
“人们在睡眠时也会欺骗，而且他们甚至没有意识到自己正在这样做。”大卫博士说。
"People cheat on their sleep, and they don't even realize they're doing it," says Dr. David.
“人们在睡眠时也会欺骗，而且他们甚至没有意识到自己正在这样做。”大卫博士说。
"People cheat on their sleep, and they don't even realize they're doing it," says Dr. David.
我深信，我们不仅都需要自然，而且不管我们是否知道自己正在这样做，我们都在寻找自然。
It is my profound belief that not only do we all need nature, but we all seek nature, whether we know we are doing so or not.
不过法国和英国不也在这样做吗？
我现在这样做是为了给他一次教训。
今天这些吝啬鬼可能也在这样做。
有些时候，是一些人同时在这样做。
In some cases, we've had a number of people doing it at the same time.
现在这样做的年轻人不多了。
Unoura和他的家人就在这样做。
他们现在在国内的某些地区正在这样做。
现在这样做已经容易多了。
事实上我现在就在这样做！
每个人似乎都在这样做。
现在这样做有帮助吗？
我们已经在这样做。
我正在这样做，因为就像氯化钠那样一正一负。
I am doing this for plus one minus one like sodium chloride.
重复这些技术没什么不好，每个人都在这样做？
There's nothing bad about copying technology, that's what everybody does.
在这样做的过程中，您将使用各种XML技术。
In the process of doing so, you'll use various XML techniques. Let's start by reviewing them all.
你正在这样做么？
如今在墨西哥湾，巴西和西非，人们正在这样做。
Now people are doing that in the Gulf of Mexico, Brazil and West Africa.
Texas州也在这样做，其他州也显示了兴趣。
以某种方式帮助别人，并且在这样做之后感到满足。
To help people in some way and to feel satisfaction with myself after doing it.
如果他现在这样做的话，支持他的人肯定会表示反对。
奥巴马先生正在这样做，而麦凯恩先生似乎正好相反。
Mr Obama is doing that. Mr McCain seems to be doing precisely the opposite.
奥巴马先生正在这样做，而麦凯恩先生似乎正好相反。
Mr Obama is doing that. Mr McCain seems to be doing precisely the opposite.
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