It was a meaning of social divisions of people into a hierarchy that the Latin parent word classis referred to.
class在拉丁语中的词源classis就是社会等级划分的意思。
2
In English has spring, the summer, the fall, the winter four expression season word, but we also have the similar four kind of divisions, moreover the time is consistent.
英语中有春、夏、秋、冬四个表示季节的词，而我们也有同样的四种划分，而且时间都一致。
3
This material would be quite valuable for a company that has not yet truly automated its word processing, or for the office managers of smaller branches or divisions.