“Circular” migration, in which people come and go between destinations, is on the rise, as is “on-migration”, where a migrant moves first from China to Canada, say, and then on to America.

“循环”移动，人们在目的地之间来来往往的现象不断增多。而“中转移民”，移民者首先从中国移民到加拿大，比方说然后到美国。