各取所需

gèqǔsuǒxū
each takes what he needs (idiom)

CEDICT

each takes what he or she needs

Wiktionary

Entry Composition

1 各 gè
  1. each
  2. every
2 取 qǔ
  1. to take
  2. to get
  3. to choose
  4. to fetch
3 所需 suǒxū
  1. necessary (for)
  2. required