请买三张去青岛的经济座单程票。

Three singles to Qingdao, economy class, please.

youdao

到纽约票一张，经济座。

One New York, economy.

youdao

欧洲之星的列车上不仅有电源接口，在商务座和特惠经济座还提供免费报纸和杂志。

Eurostar's trains have power sockets and offer free newspapers and magazines in business and premium economy classes on-board.

youdao

欧洲之星的列车上不仅有电源接口，在商务座和特惠经济座还提供免费报纸和杂志。

Eurostar's trains have power sockets and offer free newspapers and magazines in business and premium economy classes on-board.

youdao