什么是人生的大石头？一天，一位时间管理的专家为他的学生们做了一个现场演示，给在场的每个人留下了深刻的印象……One day, an expert in time management was speaking to a group of students and, to drive home a point, used an illustration those stu

One day, an expert in time management was speaking to a group of students and, to drive home（使人理解） a point, used an illustration those students will never forget. As he stood in front of the group of overachievers（成绩超过预料的学生