所以说，这个研究中心支付了微软系统的研发费用，而微软仅仅支付了这套系统的改良费用。
So Xerox paid for the research; Microsoft paid only for development.
我们要求他们为我们提出的社会改良措施支付费用。
We demanded that they shall pay for the measures of social amelioration which we propose.
是这样的。如果我们没有改良我们的产品，我们虽然节省了费用，但是销量不会很好。
That's true, if we don't adapt our product, we can save a lot of cost, but our product won't sell well.
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