forefront

柯林斯词典

1. N-SING If you are at the forefront of a campaign or other activity, you have a leading and influential position in it. (运动、活动的) 前沿
They have been at the forefront of the campaign for political change. 他们一直处于政治变革运动的前沿。
2. N-SING If something is at the forefront of people's minds or attention, they think about it a lot because it is particularly important to them. (思考、关注的) 重心
The pension issue was not at the forefront of his mind in the spring of 1985. 养老金问题在1985年春不是他思考的重心。