实质

wǒ men yào yán jiū wèn tí de shí zhì

我们要研究问题的实质。

We need to get to the heart of the matter.

tā yòng sān yán liǎng yǔ jiù néng zhǐ chū wèn tí de shí zhì

他用三言两语就能指出问题的实质。

He can point out the essence of the problems in two or three words.

zhè liǎng yàng dōng xi biǎo miàn xiāng tóng dàn shí zhì bù tóng

这两样东西表面相同，但实质不同。

The two things are the same in outward form but different in essence.

shí zhì cuò wù

实质错误

material error

shí zhì shang

实质上

in substance