承前启后

Explanation: Commitments: to undertake; Kai: creating. To undertake the front, and create later. Refers to the succession of previous career, opening the way for future generations. 　　Usage: -Linked; as attribute; that connects the bridge before and after 　　Source: Ming Zhu Guozhen, "Um Chung had presented the text blocks Pieces": "public commitment before the grassroots, Kai after the size of the merit of this, down the eternally." 　　Examples: As for the youth of urgent attacks, old age is even worse than real, because they are ~ the bridge, the country must continue, all in their shoulders. (Lu Xun, "the two books," one by one) Thesaurus:  inherit the past and usher in the future, form a connecting link between the preceding and the following, continue with the past and open up the future, Following the ancient open today, Starting, turnstile