HSK V7-9
Correct

常理

/ chánglǐ / 
Strokes

Definition

common sense/conventional reasoning and morals

Example

As a Noun
convention; general rule; what is normal; logical thinking
1
Àn
按
chánglǐ
常理
tā
他
míngtiān
明天
yìng
应
huífǎng
回访
lǐxiānsheng
李先生
  
。

According to convention, he ought to pay Mr Li a return visit tomorrow.