it 's well known that 还是it 's well-known that

问题描述:

it 's well known that 还是it 's well-known that

It's well-known that.
well-known解释
well-known
adj.
出名的,众所周知的; 熟悉的
He is one of the world's best-known writers.
他是世界上最知名的作家之一.