short position

She took a short position on BTC just before the regulatory announcement caused prices to tumble.就在监管公告导致价格暴跌之前，她做空了比特币。

Short positions require borrowing an asset first, meaning short sellers pay borrowing fees that erode returns over time.做空仓位需要先借入资产，这意味着做空者需要支付借贷费用，这会随着时间的推移侵蚀回报。