Objective-C only supports single inheritance between classes, while UML supports multiple inheritances.

Objective - C只支持类之间的单一继承，而UML支持多重继承。

youdao

In Vimscript, as in c, only the numeric value zero is false in a Boolean context; any non-zero numeric value-whether positive or negative-is considered true.

和c一样，在Vimscript中，对于布尔值来说，只有数值0为假；任何非0数值—不管是正数还是负数—都为真。

youdao

Manually initialize non-member objects of built-in types, because C++ only sometimes initializes them itself.

（手动初始化内置类型的非成员对象，因为C++只偶尔会初始化它们）。

youdao

The museum is the only permanent exhibit organized by the Smithsonian Institution outside Washington,D.C., and New York City.

VOA: special.2010.05.12

So C or the compiler's for C are kind of dumb, by definition of the language years ago, whereby, they only know about what they've already seen.

所以C或者C的编译器是有点愚蠢的，根据多年前这个语言的定义，凭借那个，他们只知道,他们所看到的。

哈佛公开课 - 计算机科学课程节选

So input is an int called F, print out to the screen or your piece of paper the value of C. Odds are you only need two, maybe three lines of code for this, but the goal ultimately will be try it on your own.

所以输入是一个int类型的F，在你的屏幕上,或你们的纸上打印出C的数值,可能你们需要两行或者三行的代码,但是最终的目标需要你自己独自尝试。

哈佛公开课 - 计算机科学课程节选

Direct antiviral drugs for hep C are only now coming out after over a decade of work.

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"We came to our decisions to issue the Hinkley Point C permits only after careful consideration of all the responses we received following the two periods of public consultation, " a spokesperson for the agency said.

BBC: Hinkley Point C nuclear emissions 'underestimated'

Only C-level executives who are committed to increasing long-term retention will make the guest list.

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