if you eat less junk food,you will be healthy and strong 同义句

Don't eat more junk food,or you will be fat and unhealthy.
Eat less junk food and you will be healthy and strong.
再问： if you drink too many soft drinks ,you wil be fat and ugly 同上 drink ________ soft drinks,________ you will be fat and ugly
再答： Drink less soft drinks ,or you will be fat and ugly.
再问： 为甚是or?
再答： Or 意思为否则 此句意为少喝饮料，否则你会变胖变丑。