台湾籍旅美老师今天交给我们的句子是：
More than a million Venezuelans have moved to Colombia in recent years. And in an era of record setting migration, when borders seem to be getting thicker, harder to cross, Colombia is doing something that you don't see very often. It's opening its doors and it's letting people in.
近几年已经有超过百万名委内瑞拉人移民到哥伦比亚了。现在是一个移民数量创新高的时代，各国国境的高墙似乎越变越厚、越来越难跨越，但哥伦比亚却罕见地反其道而行，敞开其国门，让他国人民移入。
学习重点：
1.era 时代；年代
era (n.) 时代；年代
2.set a record 创纪录
set a record (phr.) 创纪录
3.migration 迁移
migration (n.) 迁移
refugee (n.) 难民；避难者；逃亡者
4.border 边界；国界
border (n.) 边界；国界
