migration

migration的英语例句

1. The scale of migration took a quantum leap in the early 1970s.

   20世纪70年代初，移民的规模骤然扩大。

2. During the last recession, migration to the sunbelt accelerated.

   在上个经济萧条期，人们向美国南部阳光地带移民的速度加快了。

3. Birthplace data are only the crudest indicator of actual migration paths.

   出生地信息只能非常粗略地显示实际移民过程。