Each of you is going to have to do your part in keeping the community crime-free.
你们每一个人都要尽自己的本分，让社区内没有犯罪。
《柯林斯英汉双解大词典》
2
When Batgirl and Nightwing take Batman on a trip down memory lane, literally, to visit one of the key mentors from his formative years, it's up to the Justice League to keep Gotham City crime-free.