n. a situation where the price of goods goes up quickly, but soon crashes again
The children had a lot of fun at the park blowing bubbles and watching them float away.
supply
n. the total number of things available for use or for sale
Our supply of milk is low, so we should order more.
uncertainty
n. not sure; not knowing what may happen
One day, no one bought any tulips. This caused uncertainty, and the price of tulips suddenly dropped.
demand
n. how much people actually want something
There is a lot of demand for rental cars on holiday weekends.
borrow
n. to take something for a short time and give it back
Can I borrow a pencil to use today? I'll give it back to you tomorrow.
Holland
n. European country between Belgium and Germany; also 'Netherlands'
In the 1630s, people were very excited about tulips in Holland.
pop
n. to break up quickly like a balloon or a soap bubble
Don’t pop the balloon.
tulip
n. a flower common in Holland that blooms in spring
In the 1630s, people were very excited about tulips in Holland.
drop
n. to go down suddenly
The student dropped his books on the floor.
reasonable
n. fair and sensible; not too high or low
That sounds like a reasonable excuse but, in fact, this practice can lead to an undesirable situation.