金玉其表

kě yǐ shuō rèn hé kàn sì fán róng de jīn róng shì chǎng dōu shì jīn yù qí biǎo bài xù qí zhōng

可以说任何看似繁荣的金融市场都是金玉其表，败絮其中。

It could be said that any financial system that appears to berobust will reveal some underlying rot.