Englishfor English speakers
investment
Noun
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Investment is the use of money, time, or effort to make a profit.
The economic Development Board, set up in 1961 to promote foreign investment in Singapore, has attracted money from around the world.
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Your investment is the money, time, or effort you use to make a profit.
Often you'll have to wait for years before you can get even part of your investment back.
Buying an old laptop is a bad investment because a new technology is better.
transaction
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noun
(= dealing, dealings)
the act of transacting within or between groups (as carrying on commercial activities)
no transactions are possible without him
he has always been honest is his dealings with me