题目

英语句子理解问题
I have since regularly participated in charity and volunteer work in my hometown of Liaocheng.句中since起什么作用
I originally came from China's coastal province of Shangdong,which is quite well known domestically as well as internationally for Tsingtao Beer,Haier electronic appliances and Qufu,the birthplace of Confucius,often referred to as the sage or great teacher of moral principles and social responsibilities.句中为何要加 internationally for Tsingtao Beer中的for,起什么作用,可不可以删去

提问时间：2021-01-25

答案

第一个句子感觉不完整,have后面似乎缺谓语,不知道有没有丢掉什么.since引领一个时间状语从句,表示自从自从参加慈善活动和家乡的志愿者活动之后.
第二个句子意思是表示山东在国内国外同样有名,domestically和internationally是同等地表明地点,是地点状语,而和后面的for没有关系.之所以有名是因为青岛啤酒,所以后面有for Tsingtao Beer.for是与well known连用的,表示因和有名.