单向双向：某些产品的手续费只在开仓时收取，有些则在开仓和平仓时都收取； Genius Is the final word supply of music information, made by Students like you who share details and insight with regard to the songs and artists they adore. Revenue for each typical share — diluted [footnote 2: Diluted by assumed training of stock-based mostly payment awards utilizing the treasury waiting for link from Press Release (93)