This is the 1st most frequent Chinese word.
元
"元" means "origin," "beginning," or refers to the Chinese currency unit "Yuan."
Here, "元" is used metaphorically to represent a unit of measure or reference point in a non-monetary context.
在测试中，他得了满分，高于满分的那一元。
In the test, he got a perfect score, exceeding the main point by one unit.
Here, "元" serves as a currency unit, equivalent to "yuan" in English, representing the standard unit of money in China.
每本书售价20元。
Each book costs 20 yuan.
Here, "元" signifies an essential or basic element of a structure or system, showing its versatility when used metaphorically.