两张皮

bù yào bǎ kē jì jìn bù yù jīng jì fā zhǎn fēn gē kāi lái liǎng zhāng pí

不要把科技进步与经济发展分割开来，两张皮。

Sci-tech progress and economic development should not be separated, as if they were unrelated.

bù yào bǎ jiào xué yǔ kē yán fēn gē kāi lái gǎo chéng liǎng zhāng pí

不要把教学与科研分割开来，搞成两张皮。

Teaching and research should not be separated, as if they were unrelated.