professional activity的用法和樣例：
例句
- If you know they're going to beat tending a professional event, find a way to attend.
如果你得知他們即將參加一次專(zhuān)業(yè)活動(dòng)，那就找個(gè)方法也參加。 - The purpose of the Association shall be to foster scholarly and professional activities in the field of Lexicography in Asia.
本學(xué)會(huì )的宗旨是促進(jìn)亞洲地區辭書(shū)界的學(xué)術(shù)和專(zhuān)業(yè)活動(dòng)。
