Don't worry about the cost; it's on me this time.

别担心费用，这次我请客。

同一单元的其他句子

• Could you recommend a good restaurant near the hotel?你能推荐一家旅馆附近的好餐馆吗？
• I would like to book a table for two at seven o'clock.我想订一张七点钟的两人桌。
• The subway is the most convenient way to get around the city.地铁是游览这座城市最方便的方式。
• Do you know where I can exchange some foreign currency?你知道我在哪里可以兑换一些外币吗？
• Please remind me to buy a travel adapter before we leave.请提醒我在我们离开前买一个旅行转换插头。