Usage note
经常用来表示事情发生的频率,可以放在句首、句中或句尾。
jīng cháng lái yòng bǎo shí shì qing fā shēng de pián lǜ, kě yǐ fàng zài jù zhǔ cháo qián, jù zhōng huò jù wěi。
经常 is used to indicate the frequency of events. It can be placed at the beginning, middle, or end of a sentence.