Exchanging value is the expressional form of value.

交换价值是价值的表现形式.

His speech is about expressional arts.

他的演说是有关表现艺术的.

Accompany with risk process of population development, its expressional forms are diverse in different stages.

人口发展是与风险相伴随的, 在不同的发展阶段其表现形式有所不同.

The form was a kind of logical form, expressional form and living form at some degrees.

这种形式是一种逻辑形式, 表现性形式,在某种意义上更是一种生命形式.