负责任的采矿是为我们运营的社区留下积极的遗产。
Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.
金钱不是幸福的关键,但它有帮助。
"Every failure is a stepping stone to success, provided we learn from it."
儿童开始对自己实践那些他人曾经对他实践过的相同行为形式。