因为加仓改变了整个仓位的成本，每个单位的成本都会走向最后的价格，快速的价格反转会带来巨大的亏损。
Because adding to positions changes the total cost of the entire position on a per-unit basis toward the last price, a quick reversal to the original entry price can result in a significant loss.
成功组织并参加了澳大利亚国际展览会（江苏轻工产品馆），参展单位无一亏损（1988年）。
Organized successfully an exhibition in Australia (for Jiangsu Light Industrial Products) and every attendee got profit from the exhibition in 1988.
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