I am delighted to report the continued development of our
题目
I am delighted to report the continued development of our
I am delighted to report the continued development of our customer ( ) and I would
like to thank all our customers for their support.
为什么括号里填base而不是source?
答案
customer base 可以翻译成客户群.这应该是营销语言中的专用词组.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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