Substract
vt. 減去
??? 情景例句
It's raining cats and dogs outside.
外面下著傾盆大雨。
I don't want to be bitten.
我可不希望被它咬一口。
You have to learn when to ask for help and when to ask for information.
你得學會什么時候請求幫助，什么時候打聽信息。