但是，之前我说过了，这是一次公益活动，来，或留，在于你。

However, I have said before, this is a public good, to, or remain, is you.

youdao

把平时由同事、家庭或邻居参与的聚会换成举办公益活动。可以是自愿为他人做一些事或为一次事故募捐钱财。

Convert the usual office, family, or neighborhood party to a giving event, volunteering to do for others or to donate money to a cause.

youdao

周二下午，我们班开展了一次有意义的公益活动。

On the Tuesday afternoon, our class carried out a meaningful public service activities.

youdao