求翻译：在市场经济条件下，现金流量对一个企业是至关重要的。现金流量是指企业现金和现金等价物的流入和流出数量，反映企业一定时期内的投资活动、筹资活动和经营活动。在全球金融危机的大环境下,我国企业现金流情况普遍不容乐观,大量企业因为现金流量危机造成资金链断裂，导致企业倒闭。我国企业应改善现金流管理现状，实现现金流科学管理。是什么意思？

In market economy conditions, cash flows of an enterprise is essential. Cash flow refers to the corporate cash and cash equivalents at the number of inflows and outflows, reflecting the investment activities of the enterprise a certain period of time, financing and operating activities. In the envir