the rest of the evening will be given up to singing and dancing.怎么翻译成中文

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• the rest of the evening will be given up to singing and dancing.怎么翻译成中文
• the rest of the evening will be given up to singing and dancing.怎么翻译成中文
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• Mathematica中 Solve::解方程的时候输入Solve函数不能得出结果In[12]:=Solve[x^2+2x-7==0,x]Solve::ivar :3 is not a vaid variable.>>请教为什么这样 教材上是这么写的In[1]:= Solve[x^2 + 2x - 7 == 0,x]Out[1]={{x→-1-2根下2}，{x→-1+2根下2}}