I am sure it will be dark before we won't get there
去掉后面的won't
就是I am sure it will be dark before we get there
意为:我保证在我们到达那之前就天黑了
I am sure it will be dark before we won't get there
去掉后面的won't
就是I am sure it will be dark before we get there
意为:我保证在我们到达那之前就天黑了