Self-study Class requirements quiet, so I introduce my situation to you in this way.
而且自习课要求安静，所以用这种方式向你介绍我的情况。
The exercises are varied to suit the topics and the needs of the user and are suitable for use in class and for self-study.
此次演习是多种多样的，以配合主题和用户的需要，是在课堂上使用合适的和自学。
So says a study in the journal Social Science Research. [Rachel Dwyer, Laura McCloud and Randy Hodson, Youth debt, mastery, and self-esteem: Class-stratified effects of indebtedness on self-concept].
这一说法来自《社会科学研究》杂志上的一篇研究论文[rachel Dwyer Laura McCloud and Randy Hodson Youth debt mastery and self - esteem： Class - stratified effects of indebtedness on self - conce pt]。
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