The structure 没有A就没有B
We use the structure 没有A就没有B 
when we want to emphasize that “B” cannot exist without “A”.
In this structure, we should replace “A” and “B” with nouns or short phrases.
when we want to emphasize that “B” cannot exist without “A”.
In this structure, we should replace “A” and “B” with nouns or short phrases. Pay attention
Sentences with this structure rarely have subjects. But if there is a subject, we should state it before 没有 in the first clause and state it again before 就没有 in the second clause.
Examples
没有水就没有生活
There is no life without water
méi yǒu shuǐ jiù méi yǒu shēnghuó
没有你就没有我
Without you there would be no me
méi yǒu nǐ jiù méi yǒu wǒ
没有她的帮忙我就没有成功
Without her help I would not have succeeded
méi yǒu tā de bāngmáng wǒ jiù méi yǒu chénggōng