要发出紧急信号，使用“重要的事情说三遍”的“三”法则；三次呼喊、三声喇叭或三声哨声。

The novel is a mirror walking along a main road.

"Empathy is the key to innovation, as it allows us to understand and address the real needs of people."

一切都有价值，只要灵魂不渺小。