帮忙翻译一下：there are signs to wish luck to the team many other signs to welcom back the
题目
帮忙翻译一下：there are signs to wish luck to the team many other signs to welcom back the
there are signs to wish luck to the team many other signs to welcom back the graduates from other years.
答案
这些符号用来祝福这个团队,其他的符号是用来欢迎毕业生回来的
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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