managed，prepared詞義是什么

下面一段話中managed，prepared，詞義是什么？rules，followed.翻譯成:規則，服從對嗎？These days,的意思是？These days, most food in the world is safe,這句話中主語是什么？

These days, most food in the world is safe, Laws control where food comes from. They also control how food is managed and prepared. Laws are important. But its more important to make sure he rules are followed.



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These days, most food in the world is safe. Laws control where food comes from. They also control how food is managed and prepared. Laws are important. But its more important to make sure the rules are followed.

現在，世界上大部分食物都是安全的。法律法規約束著食物的來源。它們還監管著食物的管理和儲備。法律法規尤為重要。但更要緊的是要確保這類法規得到實行。

most food （主語）in the world （主語之定語）is safe（系表）