But because all we know about t is that it's a subtype of its declared bound, we have no idea what constructors an instantiation of t will have. This problem could be handled in one of three ways.

但由于我们只知道T是其已声明界限的子类型，所以我们不知道T的某一实例化将有什么构造函数。

youdao

There's no point. I just think it's a good idea for a T-shirt.

没什么，我只是觉得这个主意放在T恤上不错。

youdao

You are a Che Guevara T-shirt wearer, and you have no idea what he did.

你穿着切。格瓦拉的汗衫，你都不知道他的所作所为。

youdao

"They talked about skiing, I didn't know skiing. I have no idea about winter.

VOA: standard.2010.01.22

Right? That would be an entirely different matter, wouldn't it, because you would have absolutely no idea whether the question was rhetorical or grammatical, right?

对吧，那将会是一个完全不同的情况，难道不是吗，因为你就会完全不知道,这个问句是修辞型的还是语法型的，对吧？

耶鲁公开课 - 文学理论导论课程节选

I don't own a car, I have no idea how to drive.

我没有车，也不知道怎么开车。

I'm ~ing 实战 - SpeakingMax英语口语达人

"I had no idea which songs T Bone would choose until I arrived at the studio, " she said.

WSJ: 'Glad Rag Doll': Diana Krall Sings With No Strings Attached

"But don't lose Dad, because I have no idea what our connecting flight is!"

CNN: 7-million-mile family shares travel secrets

"While a handful of unfortunate decisions could be isolated, these actions appear to be part of Mr. Register's news vision, " according to Mowbray, who adds that Register doesn't speak Arabic, so he has no idea of what is guests are saying.

CENTERFORSECURITYPOLICY: WSJ: "Al-Hurra more like al-Jazeera"