Optional parameters
可选参数\\n[计] 可选参数
🧩 词语组成解析
n. 参数；参量（parameter的复数）
🗣️ 情景例句
Well, then you feel good about taking it?
嗯 ，那你觉得接受它很对了？
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
The situation is serious. Something must be done before it's too late.
形势危急。得及时采取措施。