意：a change in something, for example in someone’s ideas or opinions.
例：There has been a marked shift in attitude towards how to ask questions in the Phenomenal English community.
Shift: 作动词/名词，均可表示观点、态度、聚焦点的变化。名词/动词词性改变，可以增强表达的多样性。
例：Attitudes to homosexuality have shifted in recent years.
= Recent years have seen a shift in attitudes to homosexuality.
常用搭配：
a shift in attitude;
a shift in public opinion/perspective;
a shift in emphasis/mood/tone;
a shift in direction/focus/strategy/policy
例：With the gloomy economy comes a shift in personal financial focus: people are more careful about spending and tend to spend promarily on truly necessary items. (正常语序： a shift comes in personal financial focus with the gloomy economy)
例：Alphabet has confronted worrisome transitions before, such as the shift from desktop PCs to mobile. Its ad business is still booming, because it devised a way to deliver ads on small screens. it is possible that google’s ad model could in future shift to taking a fee for each transaction in facilitates.
作业：
3）Chinese economy undergoes a shift from labor-intensive model to intelligent-intensive model.
4) 场景：经历了工作上一系列不公平对待后，他的工作态度从积极转变为消极。
造句：after he has undergone some unequal treatments in career, there is a shift in work attitude from positive to negetive.
