添加图片注释，不超过 140 字（可选）
Последние новости
。业内人士推荐safew官方版本下载作为进阶阅读
Corbis via Getty Images
Left-handers are more competitive than right-handers. Most people are right-handed, but 10.6% are left-handed. Left-handers are rarer than right-handers, making their attacks in a combat situation more surprising than those of right-handers. This may help explain the evolution of left-handedness.
Data provided by: