整句意思?unless you actually enjoy wearing a pocket protector,you’ve got no business taking calculus.口袋护套?怎么没见过谁用过?这里的business呢?除非你是学者专家，微积分和你完全无关？这里的business呢？具

You cannot appreciate happiness unless you have known sadness too.这句英文的意思? Unless you are dead虾米意思?RT Unless you thy,you will never succeed 《改为同义句 Nothing will work unless you do.什么意思 Don't Say You Love Me Unless Forever什么意思|? Don't Say You Love Me Unless Forever什么意思 You can't make much progress in your physics unless you study hard(保持原句意思)you_____ make much progress in your physics_____you study hard. actu ally I have been in your side but you have not found翻译成中文 unless you try,you will never succeed改为同义句you will never succeed __________you_________try Unless you're dead unless什么意思? unless的意思 unless什么意思 not unless啥意思 not unless 意思! you can not get good grades unless you work hard同义句要两句同义句 英语同义句You'll forget my address unless you write it down You can't go to college unless you work hard的同义句