[, ] () the activity of buying shares, property, goods, etc. in the hope of making a profit when you sell them, but with the risk of losing money投机买卖◆speculation on the currency markets在货币市场上的投机◆There has often been a lot of speculation in the company's shares before they announce their results.在公布经营业绩之前公司股票往往会有大量投机买卖。⨁currency / financial / market / property speculation货币／金融／市场／房地产投机