"放弃该放弃的是无奈,放弃不该放弃的是无能,不放弃该放弃的是无知"这句是什么意思呢?

Abandaning what should be abandoned is no alternative.
Abandoning what shouldn't be abandoned is incompetent.
Not abandoning what should be abandoned is ignorant.
它的意思是：在我们的现实生活中,我们应审时度势,有所得就必有所失.有些东西是我们不得不放弃的,但我们又不得不尽力抓住和不要浪费掉某些好机会.