毛出在羊身上 [ㄇㄠˊ ㄔㄨ ㄗㄞˋ ㄧㄤˊ ㄕㄣ ㄕㄤˋ; mao2 chu1 zai4 yang2 shen1 shang4] lit. wool comes from the sheep's back (idiom); One gets the benefit, but the price has been paid. Nothing comes for free. ◄ ►