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。
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。
It 's not absolutely clear what is causing the spike. Fidelity points to two possible reasons.
到底是什么引起了此类人群的增长，目前还不是很清楚。富达公司指出了两个可能原因。
It 's not entirely clear why this would come up in an interview situation, but if it does, it's actually illegal in order to protect people who might answer "no."
我也搞不清为什么这种问题会出现在面试中，不过如果真的被问到了，那么说他是违法的就真的保护了那些不能喝酒的应聘者。
But it was not clear if it would be able to definitely state what the metal was because of the water "s depth."
但由于海水过深，无法得知它能否明确判断金属物的性质。
But it was not clear if it would be able to definitely state what the metal was because of the water "s depth."
但由于海水过深，无法得知它能否明确判断金属物的性质。
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