(2)Structural complication The two sentences are structurally complicated to some extent for the reason that in the first sentence there are two infinitive phrases in coordination, which together with the conjunction than form an elliptic adverbial clause of comparison, and the second sentence is complex in structure and it is a periodic sentence.(2) Structural complication： • The two sentences are structurally complicated to some extent for the reason that in the first sentence, there are two infinitive phrases in coordination, which together with the conjunction than form an elliptic adverbial clause of comparison, and the second sentence is complex in structure and it is a periodic sentence