a good deal of是什麼意思?請給我舉個例子!

母語人士的回答
Rebecca
A good deal/A great deal of [something ]示例: A great deal of research has been done already. (已經進行了大量研究。) 示例: She spent a good deal of time on the project. (她在這個項目上投入了大量時間。) 示例: They couldn't have succeeded without a good deal of luck. (如果沒有相當大的運氣,他們就不會成功。)