hyphen

When you described depression as a "disease" you might have spelled the word with a hyphen.

当你形容为“疾病”你可能有一个连字符的拼写单词抑郁症。

Because she included the hyphen (-), nothing else is required; because 1=1 is always true, she will be able to log in successfully.

由于她包含了连字号（-），所以任何其他东西都不需要；由于 1=1 总是为真，所以她将能够成功登录。