one hand washes the other (and together they wash the face)
one hand washes the other and both wash the faceone hand washes the other (and together they wash the face)
01
used to imply that by cooperating and exchanging favors, all parties involved can benefit and achieve more than they could individually
Proverb
例
He offered to tutor his friend in math, knowing that his friend could help him with another subject because one hand washes the other.
