Hipness
n. hip（使知晓, 使了解）的变形
🗣️ 情景例句
When will she come back?
她什么时候会回来？
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到，特别是在中国和日本这些使用文字而不是字母的国家，这是多么有用处！