高校问答是一部内容开放、自由的互动网络百科全书客观、专业、权威的知识性百科全书
来源:百度文库 编辑:高校问答 时间:2024/05/08 05:54:31
Everyone works together for the collectivity (group, or unit), self-improvement is done by oneself.
Everybody advances for collective to lean self