Manufacturers rate batteries in watt-hours; the higher (the watt-hour rating), the longer (the battery can be expected to last). 前半句的the watt-hour rating是名词结构,后半句是句子。
A long-term study of some 1,000 physicians indicates that the more (coffee these doctors drank), the greater (was their likelihood of having coronary disease). 同样后半句是句子,前半句是coffee作为名词,these doctors drank作为定语从句修饰,还是说these doctors drank coffee这个句子呢?