我感觉我在什么地方漏了一个负号。
这里就会有，一个负号，结果完全一样。
You would have found a minus sign here, and that's exactly the same.
我必须给它，一个负号。
因为这个加上这个等于零，这里我忘写了一个负号。
Because it's this plus that that's equal to zero, and there's the minus sign that I forgot to write down.
如果这个数字是负数，将会显示一个负号作为开头。
If the number is negative, a leading minus sign is displayed.
我欠你钱和你欠我钱，相差的其实仅仅是一个负号，可是它的意义却完全不同。
Whether you owe me money or I owe you money the difference is only a minus sign but I think it's important for you.
有这个负号的原因是，我们得到一个电子后增加了一个单位负电荷。
We have the minus because we're adding a negative charge from the electron.
有这个负号的原因是，我们得到一个电子后增加了一个单位负电荷。
We have the minus because we're adding a negative charge from the electron.
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