run empty

基本解释

Lorries run empty for almost a quarter of the miles they cover in the UK, according to data from the Department for Transport.
根據英國運輸部門的數據，運輸卡車所行駛的路程中有大約四分之一是空載的。
China has stopped running a lot of the faster trains, as they run empty at higher ticket prices than the average person can afford.
中國已經停止運行許多更快的火車了，因爲他們高票價導致空車，普通老百姓付不起。
When you’re just about to run on empty, pull over to the nearest gas station to load up. You’ll be amazed at how much money you’ll save at the end of the month or the year.
在重新加滿之前好好利用你油箱裡的每一滴油，在油箱快空時，到最近的加油站去加油，到月底或年末你會驚奇地發現自己省下了多少錢。

I'm going to give a name to that. And what you see there is I'm going to call divisors initially an empty tuple, something has nothing in it. Right here. And then I'm going to run through the same loop as before, going through this set of things, doing the check.
你們可以看到這裡,我初始化一個空的元組,名爲divisiors，這裡，然後我會去運行,跟以前一樣的循環，遍歷這個集郃內的東西,然後做檢查，現在我要做的是，每次我找到了一個除數我要把它收集起來。
麻省理工公開課 - 計算機科學及編程導論課程節選

With inflation now under control, China is stocked with other possible monetary policy actions to help growth in 2012, as opposed to the central banks of the U.S., Europe and England, which have run empty.
FORBES: Chinese Monetary Discipline Sows Seeds Of New Growth
Today most Greyhound buses run half empty.
FORBES: Doghouse On Wheels
Then they were set free, out the front door to run wild in the empty town.
NEWYORKER: Or Else