be able to spend the time or menoy on doing certain things a job or a profession for which one is trained and which one intends to follow for part or the whole one's life a particular kind of earth or ground power of keeping facts in the mind and of being able to call them back; preservation of past experience of past experience of future use person with special know ledge, skill or training have or hold within itself take the place of something that is seen dress too richly or more showily than is suitable for the occasion reporters report information about the public interest in some famous people list of the days, weeks, months…… using more than is needed是短文？还是短语 还是杂烩？
