Study on citation practices in academic writing from the perspective of pragmatic identity theory 并列题名：Study on citation practices in academic writing from the perspective of pragmatic identity theory Study on formation mechanism of consumer's croo-buying from the perspective of attachment theory Study of William Faulkner's time art from the perspective of mirror stage theory Study on the economic law liability from the perspective of National adjustment theory 并列题名：Study on formation mechanism of consumer's croo-buying from the perspective of attachment theory Study of sentential accent in Chinese discourse from the perspective of pragmatics Study of nabokov's fiction from the perspective of space Narrative theory Study on economic justice from the perspective of Marx's labor critical theory