but he fells that his rise in status is well worth the loss of money
题目
but he fells that his rise in status is well worth the loss of money
is well worth the loss of money.真奇怪.
为什么不说is better worth than losing of money
答案
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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