buy straw hats in winter
Of stocks, to buy when both demand and price are low, so as to sell when demand and price are high.
ADV
cheaply
You can buy good quality clothes cheaply if you shop during the winter sales.
VERB + BUY
can/can't afford to
PREP
for
She bought a new dress for the wedding last month.
from
She bought a used laptop from an online seller last week.
PHRASES
buy and sell
My uncle started a successful business buying and selling used cars five years ago.
money can/can't buy
Health and happiness are two things that money can't buy, no matter how wealthy you are.