Smile can give yourself and other person's confidence, developing the capabilities better.

微笑能给自己一种信心，也能给别人一种信心，从而更好地激发潜能。

youdao

Smile can give yourself and other person's confidence, developing the capabilities better.

微笑能给自己一种信心，也能给别人一种信心，从而更好地激发潜能。

youdao