mainly

柯林斯詞典

1. ADV You use mainly when mentioning the main reason or thing involved in something. 主要地
The stock market scandal is refusing to go away, mainly because there's still no consensus over how it should be dealt with. 此次股市丑聞歷久不散，主要是因?yàn)樵诖耸氯绾翁幚砩仙袩o(wú)共識(shí)。
2. ADV You use mainly when you are referring to a group and stating something that is true of most of it. 大部分地[ADV with group]
The African half of the audience was mainly from Senegal or Mali. 觀眾中的一半非洲人主要來(lái)自塞內(nèi)加爾或馬里。