如:However, it will take us about 8 to 9 hours to go and come back by bike. If we set out at 7: 00 am, we'll get there at about 11: 30 am. Going around the beautiful cultural places, including some old houses all with a history of over 500 years will take us at least 2 to 3 hours. Having lunch takes another hour. What's more, it's very hot here in summer. So we think taking bus there will be much better choice.(84词)