But there is a ferocious debate among knowledgeable analysts about timing, about how fast carbon prices should rise to significant levels.
但是在博学的分析家当中，对于时机、对于多快时间内将碳价格提到一个可观的水平，存在着激烈的争议。
2
His head is up looking at the ball, the timing of his hops are fast as there is very little time spent on the ground between hops because he can't wait to get to the ball.