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The meaning of a sentence is not just in the words themselves， but also in the illocutionary act it performs.

幽默是兒童書籍中的強大工具；它可以讓嚴(yán)肅的話題變得易于接受。

The future of oil and gas lies in balancing traditional expertise with cutting-edge technology.

The only way to learn a new programming language is by writing programs in it.