be sure that短语⁷⁷⁴³ 基本例句 肯定; 确信 Be sure that the common ground is something your colleague genuinely cares about, and not something you think he should. 确保你们的共同点是你的同事所在乎的而不是你自认为他是这样想的。 yeeyan Be sure that you're warm enough or cool enough. 确保你是足够的温暖或者足够的凉爽。 yeeyan