in these days 基本例句 现在 But the exchange business has changed in these days of high-speed trading by computers in a globally connected economy. The Big Board now has to compete with smaller exchanges. 但是,证券交易在全球化经济计算机高速交易的背景下已发生改变,纽约证券交易所现在面临一些小交易所的竞争。 ebigear