这些例子搜寻以下枢纽词的重要性：否定词，详细的数字，限定范围的词，具有肯定或否定意义的词和时间指示词。

These examples hence illustrate the importance of looking out for: negativity, a specific number, the whole or a proportion of, positive and negative connotation and reference to time.

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这个词是熟悉的频繁传单谁穿越机场的“枢纽”，使转机，从一个点到另一个。

The term is familiar to frequent fliers who travel through airport "hubs" to make connecting flights from one point to another.

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