It was not clear from the study how many of the infections proved fatal, but other studies in the U. S. and Israel have shown that about 40% of patients with the infection die.

目前还不清楚受到感染的患者中有多少人会有生命危险，但美国和以色列的其他研究表明，有大约40%的人感染后会死去。

youdao

We can say maybe or maybe not. Maybe they personally do not have the right... the U. S. First Amendment is clear that publishers do have the right to tell the people what is going on.

或许有，也可能没有，可能某些人真的没有这样的权利，这不好说……但美国第一修正案写得很清楚，出版商有告诉人们真相的权利。

youdao

It is not clear how the chemicals ended up in the two separate U. S. formula samples that tested positive.

还不清楚这两种被检测出为阳性的美国配方奶粉会被做出何种处理。

youdao

White House officials have also made clear they will not revisit plans to close the U.S.detention center in Guantanamo Bay,Cuba.

VOA: standard.2010.01.05

Iran has not given a clear response to a U.N.proposal to send uranium to Russia and France for enrichment.

VOA: standard.2009.11.16

The president said he also wants to send a clear message that the U.S.military commitment will not be open-ended.

VOA: standard.2009.11.13

Frederick Barton, a post-conflict reconstruction expert with the Center for Strategic and International Studies, says there was never a clear U.S. strategy for reconstructing Iraq.

NPR: Rebuilding Iraq: A Contract Goes Awry

Absent a clear U.S. understanding of how these and similar conundrums can be fully resolved, making further "progress" toward a CW ban would be dangerous and irresponsible.

CENTERFORSECURITYPOLICY: Center For Security Policy

The vessel had to clear U.S. regulatory requirements before continuing on from Dutch Harbor, led by the 420-foot Healy, which plowed ahead through about 300 miles of ice.

WSJ: Fuel Arrives, but Alaska's Deep Freeze Endures