她在网上市场买了一件二手衣服。

She bought a second-hand dress in the online ___marketplace.

这家小公司在大市场中努力寻找自己的位置。

This small company is trying to find its place in the competitive ___marketplace.

我在一个在线市场上卖掉了旧手机。

I sold my old phone on an online ___marketplace.