differ from =be different from

differ from culture to culture =differ in culture

gerund动名词

英语的动名词与现在分词形式完全相同，在动词词尾加-ing，动名词主要作：

1、句子的主语

reading French is easier than speaking it .读法文要比讲法文容易

2、介词宾语

He insisted on seeing her .他坚持要见她。

He is good at telling lies.他惯于撒谎。

He is afraid of being distrusted.他害怕别人不信任他。

3、构成复合名词

fruit picking 采摘水果

hitch-riding 徒步旅行中免费搭乘别人汽车

surf-riding 冲浪运动

note-taking 记笔记

因果法