back burner (also backburner)

• 1. 

  N-SING If you put an issue on the back burner, you leave it in order to deal with it later because you now consider it to have become less urgent or important. Compare . 次要地位 [usu 'the' N]

  例：

  Many speculated that the U.S. would put the peace process on the back burner.

  许多人认为美国会把和平进程放在次要地位上。