For example, they can blink their eyes to show agreement, waggle their tongues to indicate "no" or "there isn't any," and puff up their cheeks to express the idea "I want" or "I'm going to."
例如，眨眼表示「同意」、舌頭左右晃動表示「沒有」、鼓起嘴巴表示「我要」，既方便又有趣。