This is the 1751st most frequent Chinese word.
往返
Round trip; to go back and forth.
In this sentence, '往返' is used as a noun to describe the concept of 'round trips' or 'to go back and forth', illustrating its use in transportation context.
这班公交车每天都有往返的行程。
This bus operates daily round trips.
Here, '往返' modifies '机票', showing its use as an adjective to describe tickets that cover travel to and from a destination.
为了省钱，我选择了往返机票。
To save money, I chose a round-trip ticket.
In this sentence, '往返' is used as a verb, expressing the action of traveling back and forth between two places.