没必要的（形容词）

(adjective) Unnecessary; exceeding what is needed or desirable; serving no important purpose.

EXAMPLE: The airplane we will take for our journey over the mountains is filled with cargo and passengers, so we cannot take any superfluous baggage.

我们将要乘坐的、飞越这些山脉的飞机载满了货物和乘客，所以我们无法带多余的行李了。

将某事搁置（成语）

(IDIOM) To delay something by making it a low priority. (NOTE: "burner" refers to the heating element of a stove)

EXAMPLE: I was disappointed when our management team decided to put my favorite project on the back burner, because I knew it would be a full year before they reconsidered their decision.

管理团队决定把我钟爱的项目搁置，我很失望，因为我知道要过整整一年，他们才会重新考虑他们的决定。