While any residues detected have been rare, and of low concentration, milk is of special concern because it is a staple of children \ 's diets.
由于它是作为儿童的主要饮食之一，所以当它被检测出有任何的残留量，即使是稀少的，低浓度的，它也是会受到特别的关注。
While the recession has been tough on U. S. workers in a variety of ways, it hasn't damaged relationships in the workplace.
尽管经济衰退使得在美国工作的人各方面都遭受影响，但是这并没有影响工作中友好的人际关系。
I "ve been working three different part-time jobs for a while and it" s beginning to take its toll on my health.
我最近一直在做三份兼职，身体已经开始出现问题了。
S. trade and economic cooperation has generated huge and real benefits for the United States, while China has been gaining a lot from it as well.
中国受益于中美经贸合作，而中美经贸合作给美国带来的利益也是巨大而实在的。
While it is paying for each of the products a spokesman refused to reveal how much had been spent answering people "s woes."
虽然他们需要为每一个礼物买单，但一位发言人拒绝透露其开支。
While it is paying for each of the products a spokesman refused to reveal how much had been spent answering people "s woes."
虽然他们需要为每一个礼物买单，但一位发言人拒绝透露其开支。
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