1. green light 绿灯
The government has decided to give the green light to the plan.
政府已决定为这项计划开绿灯
。2. pass through 穿过;经过
I bored a hole so that the bolt would pass through.
我钻了一个孔,这样门闩就能穿过去
。3. on top of 在...之上;另外
She piled the boxes one on top of the other.
她把盒子一个个地摞起来
。4. share price 股价
Apple's share price is astronomical, it's true.
诚然,苹果的股价已经是天文数字
。