And if we jam nutrients, sewage, fertilizer in the base of that food pyramid, We end up with things we've heard about before: red tides, for example, which are blooms of toxic algae floating through the oceans causing neurological damage.
如果我们在食物链底部加入 营养物质、污水和化肥， 那将影响整个食物链。 下面用我们之前听过的例子结束这件事： 赤潮， 赤潮里有大量有毒藻类， 漂浮在海洋之上的赤潮 能造成精神受损。