少年少女の集団．日本人の微笑は，微笑んでいる人の気質をはっきり示さない表面上の表情に過ぎないとしばしば言及される．微笑を陽気な笑いにさざめかせることはとても簡単なので，幸せで愛想の良い気質が双方の原因であることは非常に明白である　．．．/(A group of boys and girls. The Japanese smile is often referred to as merely a superficial expression, which does not fairly indicate the disposition of the wearer. It is so easy to cause the smile to ripple into merry laughter, that it is quite ...)