Qfi
合格境外机构投资者(Qualified Foreign Institutional Investor); 合格的飞行教员(Qualified Flight Instructor)
🗣️ 情景例句
Where do you work?
你在哪儿工作？
I haven't seen you for ages.
好久没见了。
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。