Usually it's by window or freight elevator.

我通常都是翻窗或者走货运电梯的。

Take the freight elevator to 18 floor. Walk the rest of the way.

坐载货电梯到18楼，再走上去。

Got word they're on the freight elevator.

听到说 他们在货运电梯里。

Follow Ellen to the freight elevator.

跟着Ellen去货运电梯吧。