Any company can make an app phone (or tablet or e-book reader) using Android, without paying Google anything, and even make changes to it.
任何公司可以使用Android制造有应用程序的手机(或者平板电脑，电子图书阅读器)而不用支付任何费用，甚至对它作出改变。
Her friends take advantage of her generosity, and stay in her house for months on end without paying her anything.
她的朋友们利用了她的慷慨，在她家里一连呆了好几个月，一分钱也不付。
Don't take anything without paying for it, unless it's free.
不要拿什么东西当你没有支付它时，除非这是免费的。
Don't take anything without paying for it, unless it's free.
不要拿什么东西当你没有支付它时，除非这是免费的。
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