(1)The literature reviewed was mainly published in 2019 or later
(2) at least 15 literature
(3)Discuss the main points, controversies, and possible solutions of the relevant research, and discuss whether the theory has explanatory power.
(1)The literature reviewed was mainly published in 2019 or later
(2) at least 15 literature
(3)Discuss the main points, controversies, and possible solutions of the relevant research, and discuss whether the theory has explanatory power.