Who could quibble with such an innocent statement? Without the discoveries of nineteenth-century physicists and their successors, we could hardly imagine today’s world: no electrical power grid, no televisions, no satellites, no iPads.
试问谁会质疑这么一个简单直白的观点？没有19世纪物理学家及其后继者的发现，当今世界简直无法想象：没有输电网，没有电视机，没有卫星，连iPad都不存在。