Later is the comparative of late.
You use later to refer to an event, period of time, or other thing which comes after the one that you have been talking about or after the present one.
At a later news conference, he said differences should not be dramatized.
在后来的新闻发布会上,他说差异不应该被夸大。
The competition should have been re-scheduled for a later date.
本该把比赛重新安排在一个晚些的日期。
You use later to refer to the last part of someone's life or career or the last part of a period of history.
He found happiness in later life.
他在晚年找到了幸福。
the later part of the 20th century.
20世纪后期。
Later is the comparative of late.
You use later to refer to a time or situation that is after the one that you have been talking about or after the present one.
He resigned ten years later.
他10年后辞职了。
later on
You use later on to refer to a time or situation that is after the one that you have been talking about or after the present one.
Later on I'll be speaking to Patty Davis.
过后我会和帕蒂·戴维斯谈谈。