本期内容：

Amazon chief Jeff Bezos is putting $2bn into a charitable fund he has established to help the homeless and set up a new network of schools. The world's richest man announced the move in a tweet, saying the charity would be called the Day One Fund. Mr Bezos - reportedly worth more than $164bn - has faced criticism for not doing more philanthropic work.

charitable fund: 慈善基金
homeless: adj. 无家可归的
move: n. 行动；动作
tweet: n. 推文 vt. 发推特
Twitter: n. 推特
philanthropic: adj. 慈善的
philanthropy: n. 慈善

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