"buying and selling fill their days"
"shrewd purchasing requires considerable knowledge"
例句
用作名词 (n.)
The two-day air refueling market will provide a relatively good buying opportunity. 空中加油的两天市场会提供相对好的买入机会。
Use of these measures as stock selection criteria often misleads investors into buying stocks that are declining in price. 使用这些方法作为选股准则常误导投资者买入股价下跌的股票。