The most precious thing we have is life. Yet it has absolutely no trade-in value.

我们拥有的最珍贵的东西就是生命，它还绝对没有折旧价值。

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Steinway guarantees full trade-in value for a Boston piano at any time a purchaser wishes to upgrade to a Steinway grand.

施坦威保证充分的贸易值在任何时候购买要升级到斯坦威大钢琴波士顿。

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Techforward, a Los Angeles-based financial-services company that works with electronics recyclers, lets consumers lock in a trade-in value for their devices.

洛杉矶金融服务公司Techforward与电子产品回收公司联合推出了一个服务，用户通过服务来可以锁定所购买电子设备的折价价值。

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The gadget does need to be in good working order and returned with the original parts to receive the maximum amount of trade-in value.

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The company will give you a trade-in value for the used device, but it remains to be seen whether the delta between that and the payoff will, on average, be lower than the typical ETF.

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We think the Fed underestimates this linkage, in part by using the trade-weighted value of the dollar rather than the absolute value (the trade-weighted dollar mixes together changes in the dollar with changes in the value of foreign currencies).

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