Optional fee
[经] 选港费
🧩 词语组成解析
fee
[fi:]
n. （加入组织或做某事付的）费;专业服务费，业务报酬;小费，赏钱;[法] 继承的产业;
vt. 付给报酬，给小费;〈英〉雇用，聘请;
🗣️ 情景例句
I'm glad to see you two guys getting along so well
看到你们两位相处得这么好我很高兴，
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
It's hard to say.
难说。