Migration matters too: hordes of English folk, greying and otherwise, have crossed the Severn Bridge, passing Welsh youngsters heading the other way.

移民也是另外一个原因：一群老老少少的英国民众跨过塞文河桥，与威尔士的年轻人们擦肩而过，走向相反的方向。

youdao

However, with the submergence of the land bridge between Ireland and Britain in about6000 BC, this migration ceased.

但是随着大约在公元前6000前时爱尔兰与英国之间的陆地桥的沉没这种迁移也随着停止了。

youdao

However, with the submergence of the land bridge between Ireland and Britain in about 6000 BC, this migration ceased.

但是随着大约在公元前6000前时爱尔兰与英国之间的陆地桥的沉没这种迁移也随着停止了。

youdao

Migration matters too: hordes of English folk, greying and otherwise, have crossed the Severn Bridge, passing Welsh youngsters heading the other way.

ECONOMIST: Wales and Scotland at the polls