An essential phrase for emphasizing the significance of undertaking something in English is " crucial to do." This phrase denotes that carrying out the action is highly necessary and impacts outcomes or consequences.
Another way to underline the importance of completing a task is " paramount importance," suggesting that the task is of the utmost concern and should be performed without delay. This short expression succinctly conveys that the matter at hand deserves the highest priority.

The importance of doing something is an essential concept in the English language.

做事情的重要，俚語(yǔ)說(shuō)法，"干好事，有得吃有得穿"，直譯英語(yǔ)就是 "do something important, you'll have something to eat and wear".

priority of doing sth., cruciality of accomplishing sth., significance of engaging in sth.