If I walk along c, I should say in the positive direction, in the direction that I have chosen to Orient c.

如果沿着C走，我应该说沿着C的正方向走，就是我确定了C的定向。

youdao

C So, let's say that I have a curve, c, in space.

假设有一条在空间中的曲线。

youdao

C Let's say we have a small piece of c.

假设有一小段。

youdao

C.D.C.officials say people should put on sunscreen before they leave home, even on cloudy or cool days.

VOA: special.2010.07.06

You can tell if you're at all experienced with it very easily, if you go--let's say to the year 900 B.C.

而如果你对此比较熟悉的话很容易看出来,如果你去--假定去公元前九百年

耶鲁公开课 - 古希腊历史简介课程节选

But it really wasn't until, I would say, the arrival of Java that object-oriented C++ programming caught the popular attention.

但是知道Java的诞生，才吸引了大众的关注,而后Java和。

麻省理工公开课 - 计算机科学及编程导论课程节选

C. say the case is still being handled by the Chinese judiciary, and they don't know why Ji hasn't been released or when he will be.

FORBES: The mysterious case of David Ji.

Some experts say C-Corporations may not significantly lower these business owners' tax bills and might raise their tax burden.

WSJ: Small Businesses Puzzle Over Tax Strategy

The US Centers for Disease Control say C. difficile is linked to 14, 000 deaths in the US each year.

BBC: C. diff spread 'fast and easy'