Alas, greatness is a relative concept. 2) According to the traditional view, "10,000" is one level higher and 10,000 is the counting unit of 10,000. "Billion" and "trillion" are both larger units of large numbers. 3). The metric system often jumps in thousands. According to the gram quality, the larger grade is kilogram, commonly known as kilogram. If it is a thousand times, the first level is a thousand kilograms, commonly known as tons.