She was rather imprecise about the cost of the trip.她对差旅费不太清楚.Utilitarianism is a very broad, imprecise concept that covers a multitude of underlying theoretical positions.实用主义是一个涵盖了许多潜在理论立场的非常宽泛的、不精确的概念。The integration ...
...the protection of mankind against the forces of nature: epidemics, predators, floods, hurricanes...保护人类抵御自然力——传染病、食肉动物、洪水和飓风During the annual floods the river deposits its silt on the fields.每年河水泛滥时都会在田野上沉积一层淤泥.Foreca...