拥抱是表达情感最直接的方式。

A hug is the most direct way to ___express emotions.

她决定表达这些重要想法。

She decided to ___express these important ideas.

快车比普通列车节省了至少一个小时。

The ___express saves at least an hour compared to the local train.

老师清楚地表达了考试的规则。

The teacher gave ___explicit instructions about the exam rules.