钻石这种公认为世界上最硬的天然物质，不但代表了精致的美丽，还代表了剥削非洲人民鲜血的剥削工业。
Diamonds, the hardest-known natural substance, represent exquisite beauty to many but to some they also represent an exploitive industry that has fueled African bloodshed.
或许你只能在南非看到天堂鸟花，但是，访问一下你本地的花店你就会发现：天堂鸟花不但是世界上最美丽的花之一，也是最受欢迎的花之一。
The bird of paradise may be found in South Africa. However, check your local florist: this plant is not only one of the most beautiful in the world, but one of the most popular as well.
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