1.Britain's Prince Harry has said he wants to make a difference in the world.
make a difference有影响;起(重要)作用
The land must make a difference too, in the shape of the clouds.
陆地上一定也看得见异常的现象, 那就是云的式样不同 。
2.In a very candid interview, the young prince spoke at length about his charity projects and the effect the loss of his mother, Diana, Princess of Wales, had on him at an early age.
at length充分地;详尽地
They spoke at length, reviewing the entire incident.
他们把事情的整个经过详尽地复述了一遍 。