骑自行车可以缓解交通堵塞，这样不仅为我们自己也为别人节省了时间。
Riding bicycles can ease traffic jams, thus saving time not only for ourselves but also for others.
你必须给自己一些缓冲时间以防预料之外的事件——比如意外的交通堵塞。
You must give yourself some buffer time to cover unexpected events -like a sudden traffic jam.
你必须给自己一些缓冲时间以防预料之外的事件——比如意外的交通堵塞。
You must give yourself some buffer time to cover unexpected events - like a sudden traffic jam.
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