SST十五字模版（四句）

• 15字
• 4句话

每段关键词数量：2643,共15字

This lecture elaborates on the topic of …..(1)….. which would involve …..(2)…..

Firstly, they have mentioned …..(3)….. and …..(4)….. related to …..(5)….. and …..(6)….. due to …..(7)….. and …..(8)…..

Secondly, they have mentioned …..(9)…. and …..(10)….. while elaborating …..(11)….. and …..(12)…..

Therefore, the underlying issue of …..(13)….. can be proved by ….. (14)….. and …..(15)…..