1、
2、
Once you've paid your option premium, no one can come and ask you for more money.
一旦你付了期权手续费, 没人会要求你再付.
国际金融英语口语
3、
This line offers a more cost effective option to the premium products.
该产品线为客户节约成本方面提供价值增值的选择.
互联网摘选
