And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.

• 尽管有些航空公司禁止旅客在飞机起飞和降落的时候使用这些装备，考虑到许多旅客希望在飞行时工作，大多数公司还是不愿意全面禁止。