But it's clear how to fix it up. Some engineers are male. Therefore, some males enjoy ballet. You should become adept at filling in such missing premises, so that you can see the underlying form of an argument more clearly. Therefore, if you keep driving your car with a faulty carburetor, you will eventually get hurt.
Abortion is morally wrong.
Abortion is not a constitutional right. Therefore, abortion ought to be against the law. Sometimes a premise is left out because it is taken to be obvious, as in the engineer argument, and in the exploding car argument. But sometimes the missing premise is very contentious, as in the abortion argument. The moon is made of green cheese.