A trader buys a stock or foreign exchange in one market and sells it immediately in another market for risk-free profit.
某商人在一市场买入股票，外汇等，即出手将其在另一(叫价高的)市场卖出，从中套得‘无风险’的利益的。
In addition, JBL also offers foreign exchange trading education courses, and by providing free information and market research data.
此外，JBL还提供外汇交易教育课程，以及透过提供免费新闻及市场研究资料。
In addition, JBL also offers foreign exchange trading education courses, and by providing free information and market research data.
此外，JBL还提供外汇交易教育课程，以及透过提供免费新闻及市场研究资料。
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