1. 认识这个词（基础篇）
词：shift (n.)
英英释义：a change in something, for example in someone's ideas or opinions
例句：There has been a marked shift in attitudes towards how to ask qustions in the Phenomenal English community.
2. 体会这个词 （进阶篇）
前面我们学过“shift”作动词表示观点、态度、聚焦点等变化的用法，“shift”做名词也很常见，也可以表示同样的意思。了解它不同词性的用法，可以增强我们表达的多样性。
Recent years have seen a shift in attitudes to homosexuality.
注意这个句子中“shift”后面搭配的介词是“in”。除了“a shift in attitude”外，常用的搭配还有：
a shift in public opinion/opinion/perspective
a shift in emphasis/mood/tone
a shift in direction/focus/policy/strategy
3. 从认识到会用（作业）
中国经济正在经历从劳动密集型向智力密集型的转变。
China is experiencing a shift from labor-intensive economy to a knowledge-intensive one.
造句:
There is a shift in public opinion about “smart city” projects, which have spawned lots of hype but are not seen as big successes.
