Matrix notation
[计] 矩阵符号
🧩 词语组成解析
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
He that travels far knows much.
见多识广。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。