Definition (缺乏)
To find oneself without something, especially when it is needed; to be in a state of lacking.
缺乏（某物），缺少（某物）
He always makes sure he has enough cash before leaving the house, he hates to be caught without any.
他出門前總是確保帶夠現金，他討厭發現自己身上沒錢。
It is best to check your tires before going on a long journey, you don't want to be caught without a spare.
在長途旅行前最好檢查一下你的輪胎，你肯定不想發現自己沒有備用輪胎。
She always keeps a first-aid kit in her car, just in case she is caught without one.
她總是在車裡放一個急救箱，以防萬一發現自己沒有。