当然，在儿童周这一系列世界事件成就中有一些成就是非常简单和容易的，但是并不是所有成就都简单到那个程度。

There are certain other achievements in this particular world event that are very simple and that's fine, but not all achievements are supposed to be on that level.

youdao

儿童汽车座椅租用一周仅花费约$10。

Child car seats only cost about $10 a week to rent.

《柯林斯英汉双解大词典》

我们的地球夏令营为期四周，是一个有趣且有教育意义的夏令营，适合6至15岁儿童参加。

Our four-week Earth Camp is a fun and educational summer camp for children aged 6 to 15.

youdao