问题描述：
英语翻译
please do not post it,since it will waste your time and it's unfair for the first poster's answer not being chose.if you want to tell you agree with someone else answer,please say something like "I agree",just do not just copy the answer.Thank you for your cooperation.
please do not post it,since it will waste your time and it's unfair for the first poster's answer not being chose.if you want to tell you agree with someone else answer,please say something like "I agree",just do not just copy the answer.Thank you for your cooperation.
问题解答：
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