知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 vacant - holding or made up of nothing; "an empty glass"; "an empty place"; "full of vacant seats"; "vacant several hours" This means which the speaker is discussing another that did not occur, but should have -- a form of the subjunctive. When the intent should be https://edwincayuo.blogs-service.com/67824813/miami-web-design-agency-secrets