much-needed adj. 急需的

much-needed support/assistance/improvement/boost/reform

The economic success China has achieved in the past four decades is attributed largely to the adoption of the much-needed reform initiated by Deng Xiaoping.

The Pingyao International Film Festival, initiated in 2017 by Chinese film director Jia Zhangke, provides a much-needed boost to the local tourist industry.

Smartisan has been crippled lately as it failed to secure the much-needed funds.

翻译：The 2020 Olympic Game held in Tokyo will add much-needed energy to the local economy.

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

The 2020 Olympics will provide Tokyo, its host city, a much-needed opportunity to revive its economy.

造句：Music serves as a much-needed antidote to alleviate anxiety.