对…有影响是:have an influence on还是have influence on?influence是可数的还是不可数的?
“对…有影响”通常用 have an influence on,如:
Old fashions have an influence on new ones. 旧的时尚影响新的时尚。(摘自《英汉多功能词典》)
He had a profound influence on modern poets. 他对现代诗人有深远的影响。(摘自《牛津英语搭配词典》第2版)