Think about this for a minute: Was the S&P 500 more risky on March 6, 2009, when it was under 700, or is it more risky today, with the index over 1,300?
让我们花一分钟思考思考：2009年3月标准普尔500指数跌破700点大关，投资者信心低迷，但若与今天超过1300的指数比，风险还称得上大么？
It 's easy to overlook errors when merely looking over your work. So be on the lookout for common trouble spots when studying your final draft.
重读一遍自己的文章就很容易检查出错误。当检查最后的草稿时，请注意那些容易出错的地方。
It "s at times like these when the much-touted convenience of shopping over the Internet sounds like a better alternative."
这些时候，以便利颇受赞誉的网上购物听来是个更好的选择。
When they argue, it? S like a big, black cloud hanging over our home.
当他们争吵的时候，就像有一大团乌云笼罩在我们家。
When they argue, it? S like a big, black cloud hanging over our home.
当他们争吵的时候，就像有一大团乌云笼罩在我们家。
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