profitable store的用法和樣例：
例句
- There is no system or strategy that will turn a novice or losing trader into a consistently profitable one.
沒(méi)有什么系統或策略可以讓一個(gè)新手或失敗的交易者變成持續贏(yíng)利的交易員。 - When we met a week later he reported that he had four profitable days out of five and was profitable overall.
一周以后，當我們再次碰面時(shí)，他報告說(shuō)他在五天中已經(jīng)有四天贏(yíng)利，并且總體是贏(yíng)利的。
