人口结构的剧变正在重塑教育和养老体系。Rénkǒu jiégòu de jùbiàn zhèngzài chóngsù jiàoyù hé yǎnglǎo tǐxì.Drastic changes in population structure are reshaping education and elder-care systems.
这几年小城发生了剧变,高楼越来越多。Zhè jǐ nián xiǎochéng fāshēng le jùbiàn, gāolóu yuè lái yuè duō.In recent years the small town has changed dramatically, with more and more tall buildings.
天气突然剧变,刚才还是晴天,现在下起了大雨。Tiānqì tūrán jùbiàn, gāngcái háishi qíngtiān, xiànzài xià qǐ le dàyǔ.The weather changed abruptly; it was sunny just now, and now it is pouring.