释义：种植荆棘会得到刺，种植桃李会得到阴凉。
Marine protected areas are not just conservation tools, but investments in our collective future.
The worse a situation becomes, the less it takes to turn it around, the bigger the upside.
We are survival machines – robot vehicles blindly programmed to preserve the selfish molecules known as genes.
The best businesses solve real problems. Find a need and fill it.