这个小配件的妙处就在于它对于牙医而言十分实惠，而且只要有MP3播放器的病人都能使得益于此，也无需付额外的费用。
The beauty of this gadget is that it would be fairly cost-effective for dentists to buy, and any patient with an MP3 player would be able to benefit from it, at no extra cost.
援助资金很可能使得一部分被挑选出来的机构得益，并巩固穆加贝和民盟的权力。
The funds are likely to benefit selected institutions that consolidate Mugabe and Zanu-PF's stranglehold on power.
这使得许多大宗商品出口国得益，从而造成一些较贫困国家需求增长强劲。
These have benefitted many commodity exporters, thus explaining the strength of demand growth in some poorer countries.
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