Mathematical solution
[经] 数学解
🧩 词语组成解析
🗣️ 情景例句
And I could do the selling and the pricing at the boutique.
而我在时装店里负责销售和标价。
Did you enjoy your flight?
你的飞行旅途愉快吗？
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。