He was making a visible effort to control himself.他明显是在努力控制自己的情绪。It is incumbent upon all of us to make an extra effort.我们所有人都必须加倍努力。Even carrying the camcorder while hiking in the forest was an effort.在森林中徒步旅行时，即便带的是便携式...
income from tourism旅游业收益Without a major boost in tourism, the economy will suffer even further.旅游业如果没有大的起色，经济状况会每况愈下。A catastrophic fall in tourism in the Olympic year is also overshadowing optimism.游客数量的大幅度下降也给原本乐观的前景蒙上...