采矿业的可持续性不是一种选择，而是我们未来的必然需求。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
仪式过程是一种转变性的体验，将个体从一个社会地位转移到另一个社会地位。
Every book is the wreck of a perfect idea.