为何强者愈强，弱者愈弱——左、右手的差异余长国天下的人，特别是中国人大多数习惯于用右手，所以右手比左手强壮好用，少部分人习惯用左手，他的左手比右手听使唤。此事似乎天经地义，从未有人想过其中的原因。其实小孩子出生，左右手是一样的，左撇或右撇往往就决定于... Why the stronger the stronger, the weaker the weaker - the difference between the left and right hand Yu Changguo world people, especially the Chinese most used to the right hand, so the right hand stronger than the left hand, a small part of people used to the left hand, his left hand than Right hand to hear call. It seems perfectly justified that no one has ever thought about the reason. In fact, a child is born, left and right hand is the same, left or right skimming often decided on the ...