It contains discussions of two of his poems. He concludes: the poem avails itself of the form of a dream, And reveals the true nature of life: that magnificent, great force, Duty-bound not to turn back, conquering death. the company avails itself of the opportunity to express its gratitude to all its employees. 公司藉此機會向全體員工表達謝意。 This theory is similar to Metaphor in linguistics. means using an object to describe another thing, making a transforming, achieving a transformation of meanings. One of the establishers of cognitive linguistics George P. Lakoff, argues that people’s lives are significantly influenced by metaphors. Roman Jakobson describes metaphor and metonymy are two important forms in literature In "The Metaphoric and Metonymic Poles". metaphor is embodiment. This is a core content of cognitive linguistics. provided the school doesn't give me a raise, I will continue To work in the school because I have no choices. We will go on a picnic tomorrow provided that the weather is fine.