民数记 4:3

从三十岁直到五十岁，凡前来任职、在会幕里办事的，全都计算。

cóng sān shí suì zhí dào wǔ shí suì ， fán qián lái rèn zhí 、 zài huì mù lǐ bàn shì de ， quán dōu jì suàn 。

from thirty years old and upward even until fifty years old, all who enter into the service to do the work in the Tent of Meeting.