Demining:
1. Both the male and female protagonist's parents are dead.
2. The male protagonist did not let go and finally died for his love.
3. The professional knowledge appearing in the article was obtained online. The time for measuring the depth of the trench may not be correct.
The above are the key points of this book. If you don't mind, you can just abandon the article.
Main text BE + extra OE
Intention: I'll wait for you to get together again after your joys and sorrows have passed