Appointment booking services are free of charge.

预约服务是免费的。

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Olympics online booking system has been opened, millions of people registered for the appointment.

奥运会的网上购票系统已经开通，数百万人进行了预约登记。

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Online advance booking is not provided for Grand Piano. Please contact us for appointment.

三角琴不接受网上预约，请联络我们。

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Online advance booking is not provided for Grand Piano. Please contact us for appointment.

三角琴不接受网上预约，请联络我们。

youdao