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His mind had lost its sharpness. This did not worry Buchanan, because he had planned to be his own foreign minister.

VOA: special.2009.05.14

All right. If the derivative is small, it's not changing, maybe want to take a larger step, but let's not worry about that all right?

好，如果导数很小的话，函数就基本没什么变化,可能我们就想把步子迈大一点儿了,但是别为这个担心？

麻省理工公开课 - 计算机科学及编程导论课程节选

and not worry about, you know, if your husband likes it, or if your mom likes it, or whatever.

而不去管你丈夫喜不喜欢，或者你妈妈喜不喜欢。

对付压力的方法 - SpeakingMax英语口语达人

But do not worry, all the familiar Oktoberfest trappings will still be there as well.

BBC: Oktoberfest turns 200

If the letters section in local newspapers is any indication, those in power need not worry.

CNN: THE CHINESE CONNECTION

Mr. Ehrmann says villagers need not worry: "It's just a cultural event, " he says.

WSJ: French Artist Thrives on Chaos, Neighbors Are Less Enthralled