The film follows a famed bounty hunter who runs into his sworn enemy, a professional gambler and outlaw that he had sent to prison years before.每次(cì )研究都需要自己(jǐ )动手，这样下去也不是(shì )一个办法，能不(bú )能把图纸提前交给他们，让他们研究(🦐)完接着研究下一个工(gōng )作？