Here is a very simple puzzle about money.

这里有一道很简单的关于算钱的智力测验题。

Enjoy the amazing puzzle about Dots and Squares.

享受惊人的拼图约圆点和方块。

We were all in a puzzle about his latest disappearance.

我们都对他最近的失踪困惑不解。

The firemen were in a puzzle about the cause of the fire.

消防队员对这场火灾的起因困惑不解。

That is the big puzzle about the rich world's efforts to improve health in poor countries.

富国改善穷国卫生状况的努力成了一大迷团。