把这一句，留给此刻的你
A pure mathematical series would be one in which each term is derived from the preceding term by a rule.
一个纯数学级数应该是一个每一项都由前一项根据规则推导出来的级数。
把喜欢的一句，带在身边
做成一张壁纸
16 种意境 · 9:16 竖屏 · 1440 × 2560 高清图片
A LITTLE ENCOURAGEMENT
给此刻的你，一点向前的力量。
关于学习、善意与成长，读一句，再想一想。
The purpose of human life is to serve, and to show compassion and the will to help others.
人类生活的目的是服务他人，表现出同情心和帮助他人的意愿。
The parent knows instinctively that if they're working and setting an example for their child that means that child is more likely to be in school, more likely to stay out of trouble and more likely to complete their education.
父母本能地知道，如果他们在工作，为孩子树立榜样，这意味着孩子更有可能上学，更有可能远离麻烦，更有可能完成学业。
Fame is what you have taken, character is what you give; when to this truth you waken then you begin to live.
名誉是你得到的，品格是你给予的;当你对这个真理觉醒时，你才开始生活。