bug This is an easy bug to come up with. But imagine, if you don't do the test, you're going to get answers that don't make any sense.

这是一个容易发现的，但是想象下，如果你没做测试的话,你会得到没有意义的答案，实际上。

麻省理工公开课 - 计算机科学及编程导论课程节选

Like many of his 999 previous wins, this one didn't come easy for Adelman.

NPR: Adelman Gets 1,000th W In Wolves' 107-101 Win

The Hawkeyes have won nine of their last 12 games, but Friday's victory didn't come easy.

WSJ: Iowa fights off Stony Brook 75-63 for NIT win

But friendliness doesn't come easy after you've ruled the world (ask the British), so a lot of the old arrogance still remains.

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