Mingrui Zhang, University of Washington
ITmedia商业在线编辑部精心策划的邮件杂志
，更多细节参见有道翻译
СредстваМассовойИнформацииСделалиНеблагоприятныйДляТрампаВыводПослеЕгоОбращенияКНации08:38
Journalistic contributions from Chance Townsend, Caitlin Welsh, Sam Haysom, Amanda Yeo, Shannon Connellan, Cecily Mauran, Mike Pearl, and Adam Rosenberg enhanced this coverage.
若企业在两端进行同向操作（均做多或均做空），便失去了套保意义，更接近于赌博行为。