Swap online. Use sites to trade books, music, and movies with others online.
网络换物:借用网络来与他人交换书籍、音乐和电影光碟。 。
But don't fill your backpack with books - they're heavy and take up valuable space. Instead, carry just one or two, and keep your eye out for opportunities to swap with other travelers.
不过别在背包里装满书——书籍很重,也会占用背包中宝贵的空间。带上一两本就够了,然后在旅途中注意一下有没有机会和其他旅行者换书。
It might be a good idea if the various countries of the world would occasionally swap history books, just to see what other people are doing with the same set of facts.
也许世界上不同的国家之间相互交换历史课本,来看一下别人是怎么样来处理同一套实事的是一个不错的想法。
It might be a good idea if the various countries of the world would occasionally swap history books, just to see what other people are doing with the same set of facts.
也许世界上不同的国家之间相互交换历史课本,来看一下别人是怎么样来处理同一套实事的是一个不错的想法。
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