It seems to me that this is a necessary approach at least to have in mind if not, perhaps, necessarily to emphasize in one's own work of literary scholarship.
我觉得,这种方法是必要的,至少记住,如果不,在作品中强调的话。
2
Zhu Hua said that sales is the work of persuasion and influence to others with one's own thinking. That is to say "Promote the ideas in your mind not only the products".