n.a ticket to a place and back (usually over the same route)
同义词：return ticket
Round Trip Ticket
Round Trip Ticket
From an attributional theory of emotion to developmental psychology: A round-trip ticket?
A round-trip ticket: the importance of release processes for in-stream nutrient spiraling
Round-trip ticket: recycling to the plasma membrane requires RME-1
A round-trip ticket from philosophy to cosmology.
From color to spectral information: A round-trip ticket
From New Zealand to Antarctica and back: a round-trip ticket for symbiotic polychaetes
Round-Trip ticket, "Earth"and Back Population Movement in Russia's Far North
Round-Trip Ticket for Circulating Tumor Cells
