Because it's this plus that that's equal to zero, and there's the minus sign that I forgot to write down.
因为这个加上这个等于零，这里我忘写了一个负号。
The rule is: If there is a plus somewhere, then there's a minus next to it and below it.
规则：如果有一个+号，右边和下边都是-号。
We are all plus-minus common men and women.
我们都是些平凡的男男女女。
We are all plus-minus common men and women.
我们都是些平凡的男男女女。
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