發(fā)生(自然而然的發(fā)生)
fall out
verb
fell out; fallen out; falling out; falls out
intransitive verb
1
: quarrel
also : to cut off relations over a quarrel
former friends who have fallen out
2
: turn out, happen
expected to be in the States …? , but things fell out otherwise
—Mark Twain
3
a
: to leave one's place in the ranks
b
: to leave a building in order to take one's place in a military formation