According to the passage, where do people still have to use a paper train ticket in China?

根据这篇文章，中国哪些地方人们仍需要使用纸质火车票？

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Were paper tickets necessary when people travelled by train 15 years ago?

15年前人们坐火车出行纸质票是必需的吗？

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At stations in some remote areas, passengers still need a paper ticket to get on a train.

在一些偏远地区的车站，乘客仍需要纸质票坐火车。

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Having left his paper in the train's dining carriage, he returns to find that the waiter questions its ownership.

ECONOMIST: For some, France is still on the other side of the earth

Left to savor are virtuoso touches, like a flock of birds that becomes useless paper, a train that glides along the surface of a lake, and one of the great villains of all time, Yubaba, who looks like a bobble-headed grandmother on speed.

NEWYORKER: Spirited Away

One Saturday while the boss was away his deputy made major changes to the paper to report a train crash and an air disaster, and reasonably expected to be given a pat on the back for his efforts.

ECONOMIST: David Astor | The