But it's when millions of Chinese people go home for the Chinese New Year Spring Festival during "chunyun".

不过这是在成千上万的中国人在“春运”期间回家过春节的时候。

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But tens of millions of poor migrants who work far afield and flock home for the Chinese new year are being priced out the rail market and have to go by bus (the number of bus journeys is soaring).

但是数以亿计的农民工，往往离开家乡来到城市工作，在春节时却因为买不起火车票而不得不改坐长途大巴（选择巴士出行的农民工正在增加）。

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