不ㄅㄨˋbù怕ㄆㄚˋpà不ㄅㄨˋbù識ㄕˋshì貨ㄏㄨㄛˋhuò，就ㄐㄧㄡˋjiù怕ㄆㄚˋpà貨ㄏㄨㄛˋhuò比ㄅㄧˇbǐ貨ㄏㄨㄛˋhuò

  1. （諺語）​有了比較，即可辨別優劣。如：「行商講求貨真價實，不怕不識貨，就怕貨比貨。」

英lit. don't worry about not knowing goods, but about comparing them (proverb)​, fig. goods' (or person's)​ true value can only be determined through comparison