Railways mostly carried coal and steel, and when those industries declined they were cut back.

铁路大多被用来运输煤和钢铁，当这些工业衰落后它们的运输量也削减了。

Origins of the declining newspaper industry.

报业衰落的根源。

Nearly half of global sales now come from streaming, reversing an industry decline since 2001 that hit a trough in 2014.

目前，全球近半的销量来自流媒体业务，扭转了自2001年以来的行业下滑的趋势。自2001年以来，流媒体在2014年遭遇低谷。