ADJ. extremely large. [Game] I see you are taking steps to build up your army. There is a vast world that could belong to your empire. Let me show you. 我看到你在逐步建立你的军队。有一个广阔的世界可能属于你的帝国。我给你看。 I will help you with my vast knowledge when it comes to business. n. <古>广阔空间