Has it been a good thing for the railways, do you think, to be nationalized?

你认为铁路国有化是件好事吗？

youdao

Has it been a while since your last visit to a public library?

距离你上次去公共图书馆已经过了一段时间了吗？

youdao

I mean, has it been at least for a few months?

我是说，至少已经有几个月了吧？

youdao

It has been in the news over the past months during a disputed takeover negotiation with the American company Kraft Foods.

VOA: special.2010.02.17

Why has it been so hard and why does it continue to be difficult to identify these pluripotent cells within tissues?

为什么会那么难呢,为什么在组织中识别多能干细胞,始终困难重重呢

耶鲁公开课 - 生物医学工程探索课程节选

Sure, voter turnout has been dropping, and it might appear that voters are apathetic about the political system.

是啊，现在参与投票的人越来越少，看起来投票人对政治体系相当冷漠。

对于义务投票制 - SpeakingMax英语口语达人

Such work has been going on for years, but only recently has it been automated.

FORBES: A hail of silver bullets

But why has it been so difficult for Americans to take soccer to their hearts?

CNN: When U.S. postmen and miners humbled England

Beyond that, the condition of the frame is a huge determinant: Has it been cut down?

FORBES: Features