ph.
1. 导致；引起
To bring something about means to cause it to happen.
1. cause to happen, occur or exist
e.g. This procedure produces a curious effect
The new law gave rise to many complaints
These chemicals produce a noxious vapor
the new President must bring about a change in the health care system
2. cause to move into the opposite direction
e.g. they brought about the boat when they saw a storm approaching