水资源一度被误认为是一种无限的可再生资源，实际上，水资源是非常有限且宝贵的。

Water used to be mistaken to be an unlimited and renewable resource. Actually, water resource is very limited and precious.

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我一度感觉自己是个外人，但几个星期前，我向一个同伴Cynthia提议，用我的再生纱线来换她传说中的木质拆线刀。

I felt like an outsider for a little while, but a few weeks ago, I asked one of the knitters, Cynthia, to barter one of her fabulous turned-wood seam rippers for some of my recycled yarn.

youdao

他们已经改变了数百人的生命，并激励他们的用户强烈地忠诚度，但已不再生产。

They have transformed hundreds of lives, and inspire fierce loyalty among their users, but are no longer manufactured.

youdao