These warnings follow one of the weakest years ever seen for profit-taking by start-up investors, and come amidst predictions of an even worse period ahead. Only six companies that were backed by venture capital went public last year, the lowest numbers since the 1970s.
發出這些警告的背景是，就初創企業投資者獲利而言，去年是最疲弱的年份之一，而且根據預期，今后一段時間將更加惡化。去年只有6家受風險資本支持的公司上市，為上世紀70年代以來的最低水平。
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