Money doesn't grow on trees?

[Nga]

Test No. incompl/inter-15 "Popular Idioms (2) Garden", question 7

Money doesn't grow on ..........

(a) plants
(b) bulbs
(c) trees
(d) bushes

Test No. incompl/inter-15 "Popular Idioms (2) Garden", answer 7

Money doesn't grow on trees.

Correct answer: (c) trees

Your answer was: incorrect
Money doesn't grow on bushes.
_________________________

Hi, I don't understand this sentance. Pls explain to me. Thanks

[Torsten]

It means you have to give something in return for money. You have to earn money.
_________________
Test Of English for International Communication
TOEIC Preparation & TOEIC Vocabulary