If you look at 23 weeks your survival rate per say is probably 40, maybe 50 percent.

假设你观察 23 周后得到的婴儿存活率可能是 40% 或者 50%。

Literature discussions and papers do not need to provide answers per say, but they must be thought provoking.

文献讨论和论文不需要提供答案，但必须发人深省。