Concurrent conditions
[经] 共存条件
🧩 词语组成解析
n. 形势, 情况, 环境
🗣️ 情景例句
I think I know you. Aren't you...?
我觉得我认识你。你是……吗？
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
Happy birthday! he said. Here's your present.
“生日快乐！”他说，“这是给你的礼物。”