The next generation of scientists will solve problems we can’t even imagine today.
解释:在人活动范围内的水就污浊,在野外无人地方的水就清洁。同为一样的水,都是从天边开源,有的混浊有的清洁,这是它们所处环境使它们这样的。
"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."