margin trading的用法和樣例：
例句
- The growth in margin trading of fx has been a watershed idea that has taken hold within the past few years.
外匯保證金交易這幾年的增長(cháng)是這個(gè)概念的一個(gè)轉捩點(diǎn)。 - Similarly, margin trading has yet to get the nod because of fears that investors will abuse the potential for leverage.
同樣，保證金交易仍未獲得中國政府首肯，原因是他們擔心投資者將濫用杠桿潛力。
