4 The only shortcoming is during peak hours, you may not be able to find a seat.
4 The only shortcoming is during peak hours, you may not be able to find a seat.
唯一的缺点是在繁忙时间里，你也许会找不到座位。
4 The only shortcoming is during peak hours, you may not be able to find a seat.
唯一的缺点是在繁忙时间里，你也许会找不到座位。