"sell on" in Chinese (Simplified)
转卖转手卖出
Definition
把自己买来的东西再卖出去，通常很快，而且常常以赚取利润为目的。
Usage Notes (Chinese (Simplified))
主要用于商业、买卖和二手交易，特别是在网络平台上。与单独的 'sell' 不同，'sell on' 强调转手、再出售的动作。
Examples
I bought the car and decided to sell on after a year.
我买了这辆车，一年后决定**转卖**。
He likes to sell on rare books he finds at markets.
他喜欢把在市场找到的稀有书**转卖**出去。
We sometimes sell on old phones online.
我们有时会在网上**转卖**旧手机。
She picked up some vintage clothes to sell on for extra cash.
她买了一些复古衣服，打算**转卖**赚点外快。
People often sell on concert tickets if they can't go.
如果人们去不了演唱会，常常会把门票**转卖**。
He made a quick profit by buying laptops and selling them on.
他通过买入笔记本电脑再**转卖**，迅速赚钱。