New words：

promote [prəˈmoʊt] v.促进；推动；提升；提拔；晋升

Sample Sentences：

She worked hard and was soon promoted.
The area is being promoted as a tourist destination.
You don't have to sacrifice environmental protection to promote economic growth.

sacrifice [ˈsækrɪˌfaɪs] v.牺牲；献出；

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