We can call our numbers "two-handed" numbers,because they developed from the fact that people counted things on two hand
问题描述：
We can call our numbers "two-handed" numbers,because they developed from the fact that people counted things on two hands.意思.
答
我们可以把我们的数字称作“双手”数,因为他们是从人们用双手数东西的这个事实发明出来的.