But to date no-one has succeeded in detecting them.

不过，时至今日，还没有人成功捕捉到引力波的身影。

youdao

But to date, increases in HDL-C observed during statin therapy have not been directly linked to any beneficial clinical outcome.

但到目前为止，他汀类药物增加HDL - C作用并没有直接表现出任何有益的临床效果。

youdao

The AU mission has an authorized force of 8,000 but to date only 2,600 troops from Uganda and Burundi have been deployed, and the mission has had little success in stemming the conflict.

非洲联盟维和部队获得的授权是维持8000人的兵力，但是到目前为止只部署了来自乌干达和布隆迪的2600人，而且维和部队在制止冲突方面收效甚微。

youdao

But the Ministry for Higher Education in the south has now moved the opening date to the middle of May.

VOA: special.2011.02.24

But should President Obama president have put down to let 2011 the date as the date of the begining of the withdrawl of American presence?

奥巴马总统是不是应该确定,2011年开始撤出美国势力？

普林斯顿公开课 - 国际座谈会课程节选

It must have been that they somehow knew on the issuance date that the stock price was going to go up, but he said they couldn't possibly know that in these general circumstances.

这一定是,他们在发放期权的当日就知道,股价将要上涨,但是李认为在正常情况下,他们是不可能知道的

耶鲁公开课 - 金融市场课程节选

But to date no evidence has been put forth other than claims from the injured parties.

FORBES: First documented case of cyber espionage?

He has had some modest success, but to date, no one has taken any action.

CENTERFORSECURITYPOLICY: An urgent memo to the next government

But to date there just hasn't been a good way to do so.

MSN: Software industry braces for new phone apps rules