我意外发现了一种极其简单但又非常准确地知道我的钱去向何处的方法。

I stumbled across an extremely simple but very exact method for understanding where my money went.

《柯林斯英汉双解大词典》

这两个工具都非常简单，但又可能极为有用。

These two tools are rather simple, but can be extremely useful.

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混合边界对园艺初学者来说非常简单，但又看起来很复杂。

Mixed borders are easy for beginner gardeners but look fairly complex.

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