1. This article mainly wrote about a nanny looking for the owner's child and saving another child.

2. no. Because the nanny said so out of duty.

3. 1. Add mystery to the article. The introduction of identity step by step shows the great spirit of this nanny.

I think the nanny is right. Because it can be seen from this incident that the nanny is not greedy for fame and fortune, but a down-to-earth person, which further highlights the valuable spirit of the nanny.