To make good use of things you have is more difficult than to get the thing you want .的汉语是什么
题目
To make good use of things you have is more difficult than to get the thing you want .的汉语是什么
要谚语
答案
好好把握你所拥有的比去得到你想要的还要难
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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