sequence value的用法和樣例：
例句
- Character sequence values are limited to a length of one.
字元序列值的長度限定為一。 - In other words, numeric types will be compared according to numeric value in sign and magnitude, strings will compare lexicographically, etc.
換言之，數字類型根據數值的大小和符號比較，字元串按照字元序列值進行比較，等等。
