When choosing a partner I make two mistakes.

在找对象的时候，我犯了两个错误。

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That's their first argument: people become embroiled in theory when they make one of those two mistakes.

这是他们的第一论点：,当人们犯那两个错误中的一个时,他们就开始陷入理论。

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Spelling mistakes make you look like a doofus. So always use the spell check, and proofread your email, two.

拼写错误会使你看起来像个笨蛋。所以每次都要使用拼写检查，并校对你的邮件两遍。

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Ms Seybold reckons that most companies make two common mistakes about their customers.

ECONOMIST: Innovation and entrepreneurship

It seems to me there are two basic mistakes we make when apologizing, and both of them have to do with not really taking responsibility for having done something wrong.

FORBES: Apologize or Lose Your Customers

"People make mistakes, " says a retired mine superintendent with two decades at Massey.

FORBES: Magazine Article