? ?下面一段话中managed，prepared，词义是什么？rules，followed.怎么翻译成:规则，服从对吗？These days,是什么意思？These days, most food in the world is safe,这句话中主语是什么？These days, most（前置定语，修饰其后的主语） food?（主语）in the world is safe, Laws control where food comes from. They also control how food is managed and prepared. Laws are important. But it's more important to make sure he rules are followed.