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.
自由的目的是为了解放他人。
地球是一个圆点。月亮是一个圆点。太阳是一个圆点。星星是圆点。
The future of construction lies in materials that are both durable and environmentally friendly.