Sinocentrism

deepen

thought; idea

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a piece of research, a study, investigation

to research, to study

(Internet slang) product that is made by Chinese company

(Internet slang) made by Chinese company