kōng / qì / biàn / de / gān / zào / yǐ / hòu / lái / Běi / jīng / lǚ / yóu / de / rén / gèng / róng / yì / chū / xiàn / Běi / jīng / ké

空气变得干燥以后，来北京旅游的人更容易出现北京咳。

When the air becomes dry, visitors to Beijing are more likely to develop Beijing cough.