much-needed

1) Tokyo will hold the 2020 Olympics, which will provide a much-needed boost to local economy.

2) 例子: The much-needed improvement of the company's catering services is going to be adopted.(网上搜的services多用复数)

    场景: 公司食堂的餐饮服务一直被吐槽，终于要提升了。

3) 搭配: ～ support/ assistance/ imrovement/ boost/ reform