by and by

名词 by and by:

1. an indefinite time in the future
   同义词：by-and-by

副词 by and by:

1. at some eventual time in the future
   同义词：later

1. It's very likely to clear up by and by.
   很可能不久要放晴了。
2. By and by the clouds disappeared.
   乌云不久便消散了。
3. They'll be arriving by and by.
   他们不久就要到达。
4. We'll meet again by and by.
   我们不久又会再见。