It takes about 7 to 8 trees to make enough O2 for one person to breathe for a year.
大约需要7到8棵树产生足够一个人呼吸一年的氧气。
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In an interview with the Paris Review Hughes speculated that when a person puts pen to paper, "you meet the terrible resistance of what happened your first year at it, when you couldn't write at all".
Americans, she finds, buy roughly 20 billion garments a year—about 64 items per person—and no matter how much they give away, this excess leads to waste.