解决这道难题
Solve this difficult problem
以上为机器翻译结果，长、整句建议使用 人工翻译 。
你可以帮助我解决这道难题吗？
Will you help me to solve this problem?
youdao
我无法用脑力解决这道难题。
I can't work out this math problem in my head.
如何迎接挑战是中国城市面临的一道难题，城市营销是解决这道难题的有利方法。
How to face it is a difficult problem of these cities, and city marketing is just a good way to solve it.
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