Language is the expressional form of culture.

语言是文化的表现形式。

Exchanging value is the expressional form of value.

交换价值是价值的表现形式。

The expressional sites in young stalk are in phloem.

幼茎表达分布在韧皮部；

Smile" is one of the expressional tongues of body language."

“笑”是人体语言（态势语）中的表情语之一。

People have discussed a lot about color, color words and their expressional functions.

人们对色彩、色彩词以及它们的表情功能有过不少论述。