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不管需要花多长时间，把事情摆平是他的责任。
It was up to him to make it right, no matter how long it took.
《柯林斯英汉双解大词典》
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不管要花费多长时间，我将完成这项工作。
No matter how long it takes, I will finish this work.
youdao
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不管要花费多长时间，我将完成这项工作。
No matter how long it takes, I will finish this work.
youdao