【正确答案】：
FOR YEARS,I COULDN'T FIGURE OUT WHAT HAD HAPPENED TO VEGETABLES. I KNEW,OF COURSE,THAT MOST VEGETABLES,TO BE ENJOYED IN THEIR FULL DELICIOUSNESS,MUST BE PICKED FRESH AND COOKED AT ONCE. 
【题目解析】：多年来，我直精不清楚蔬菜到底出了什么问题。我当然知道，大多数蔬菜要想享用它们最鲜美的味道，必须新鲜采摘并且立即烹调。 For years,I couldn't figure out what had happened to vegetables. I knew,of course,that most vegetables,to be enjoyed in their full deliciousness,must be picked fresh and cooked at once.
