I have a new math program, and I want to learn how to use it.
我有一个新的数学程式 我想学习怎样用。
Idle young, needy old.
少壮不努力,老大徒伤悲。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.