求翻译：通过投资交易软件在美国纳斯达克证券交易市场进行证券的买卖活动，实习期间共为公司盈利8000元左右，投资收益率在20%是什么意思？

By investing in Nasdaq trading software in the U.S. securities market securities trading activities, training a total profit of 8,000 yuan for the company, the investment rate of return of 20%

Through the investment transaction software in the Nasdaq stock market for securities trading activities for a total period of internship, corporate profitability in 8000 about $20 per cent return on investment.

Through the investment transaction software carries on the negotiable securities in the American Nasdaq negotiable securities trading market business activity, practice period altogether gains for the company about 8000 Yuan, investment returns ratio in 20%

By investing in trading software in the United States NASDAQ stock market for securities trading activities, internship total profits for the company about $ 8,000, rate of return on investments in 20%

Business activities of carrying on the securities on the trade market of American Nasdaq securities through the exchange software of the investment, it is about 8000 yuans to make profits while practising for the company altogether, the investment yield is in 20%