Now the code in Listing 3 will compile and do what we want, because we've said that the parameter to put can be a Box whose type parameter is t or any of its subtypes.

现在，清单3中的代码可以进行编译并执行，因为put的参数现在可以是参数类型为t或t的子类型的Box。

youdao

And what we can't do now is go back to the policies that got us into so many of the problems that we've been dealing with in the first place.

CNN: Obama adds politics to women's forum

When I alluded to the dynamic of looking -- of continuing to look, I think obviously the President and John Brennan will be -- -- let me say it this way -- I think for the -- the President believes that we simply can't identify what we were doing on the 25th and what we now have to do differently.

WHITEHOUSE: Press Briefing