许多航空公司已经在所有客舱内为乘客提供USB接口以及电源插头，新加坡航空和国泰航空就是其中的两家。
Carriers including Singapore airlines and Cathay Pacific are some of the many airlines that are already providing USB ports and power sockets on their flights for passengers in all classes.
许多航空公司已经在所有客舱内为乘客提供USB接口以及电源插头，新加坡航空和国泰航空就是其中的两家。
Carriers including Singapore airlines and Cathay Pacific are some of the many airlines that are already providing USB ports and power sockets on their flights for passengers in all classes.
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