Southwest has done well on ancillary revenue too, even though it doesn’t charge bag fees or change fees, two of the biggest moneymakers.

西南航空在这方面就做的很好，尽管它并没有想顾客收取包裹费和改签费，要知道这两项费用收入可是大头。

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Moreover, the drive to do so brings ancillary benefits that build the foundation for even greater, broader progress.

此外，这方面努力也会产生附带的效益，形成更大、更广泛进展的基础。

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Some practice in the deft use of words may well be ancillary even to the study of natural science.

对文字的熟练对自然科学的研究也是有辅助性的。

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Some practice in the deft use of words may well be ancillary even to the study of natural science.

对文字的熟练对自然科学的研究也是有辅助性的。

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