假设你是李华,你校的新高一交换生TOM对共享单车感到新奇,请你写一份邮件,邀请他去体验共享单车。内容包括：

现象;

共享单车兴起的原因;

约TOM周未骑共享单车。

Dear Tom

Learning that you have a strong fancy for the shared-bikes, I am glad to tell you some relevant information about it .

Currently, the bike-sharing program is popular among people ranging from the old and the young,as a result of which such a bike can be seen here and there .

The shared-bikes come into being for the reason that it solves the last kilometer problem efficiently and makes contribution to reducing air

Sobeneficial is the shared-bike that we ought to have a I sincerely invite you to ride the shared-bikes with me this Looking forward to your

Yours

Li Hua