部分是由于环境原因，许多不可替代的亚马逊丛林已经消失，部分是因为许多国家已经用完了所有的可耕地。
That is partly for environmental reasons-much irreplaceable Amazon jungle has already been lost-and partly because many countries have used up all their available farmland.
部分是由于环境原因，许多不可替代的亚马逊丛林已经消失，部分是因为许多国家已经用完了所有的可耕地。
That is partly for environmental reasons-much irreplaceable Amazon jungle has already been lost-and partly because many countries have used up all their available farmland.
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