Data roaming
01
数据漫游, 移动数据漫游
the ability to access and use mobile data services while connected to a different cellular network outside of one's home network
例子
Make sure to turn off data roaming to avoid high charges when traveling abroad.
出国旅行时，请确保关闭数据漫游以避免高额费用。
He forgot to disable data roaming and ended up with a large phone bill.
他忘了禁用数据漫游，结果收到了高额的电话账单。
