我在七年前到访德国时，遇到了一位官员，他向我解释说，德国有一个完美的办法来解决经济问题。
Seven years ago, when I was visiting Germany, I met with an official who explained to me that the country had a perfect solution to its economic problems.
七年前，当我开办自己的夏令营时，我已经准备好成为一名夏令营营长。
When I opened my own summer camp seven years ago, I was ready to become a camp leader.
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