摘要:
“Be sure”“be certain”“make sure”均涉及确定性,但语义和用法不同。
1. **Be sure**:侧重主观上的信念或感受,表示个人判断或信心,如“I am sure she will arrive on time”,常与介词“of/about”或从句连用。
2. **Be certain**:强调基于客观事实或证据的确定性,语气更正式,如“Scientists are certain that climate change is acceleratin...