Those scientists very often see the same things that other scientists see, but they pay more attention to them, and they focus on them to the point of exhaustion, and at the risk of the ridicule of their peers.
这些科学家与其他科学家看到的事物常常是相同的，但他们对这些事物更加关注，冒着被同行嘲笑的风险执着到极致。
Mankind appropriates about a quarter of what is known as the net primary production of the Earth (this is the plant tissue created by photosynthesis)—a lot, but hardly near the point of exhaustion.
人类仅利用了地球大约四分之一净初级生产资源（这是由植物组织光合作用所产生的）。 虽然这已经很多，但是还没有达到用尽的地步。
Most Americans are overworked and stressed to the point of exhaustion.
现在大多数的美国人都在过度工作，并且处于疲惫的状态。
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