ses是什么意思

socioeconomic status 社会经济地位

1、Online platforms offer a wide range of free MOOCs (Massive Open Online Courses) for individuals to enhance their skills.
在线平台提供了各种各样的免费MOOC（大型在线公开课），供个人提升技能。
2、After completing all required courses, he still needed to take a few elective courses to fulfill the elective credits.
完成了所有必修课程后，他还需要修一些选修课程来满足选修学分要求。
3、She scored 95 in the standardized exam, placing her among the top performers in her grade.
她在标准化考试中获得了95分，使她成为了同年级中表现最好的学生之一。

免费的课程；剩余的课程（在学校）；标准化考试分数