他在论坛上经常使用不同的网名发表意见。

He often uses different ___aliases to express his opinions on the forum.

这位作家用笔名发表小说。

The writer published the novel under an ___alias.

为了方便记忆，我给这个复杂的函数起了个简单的别名。

To make it easier to remember, I created an ___alias for this complex function.