英文名称：Downturn 中文名称：逆转多指由好变坏。e.g. Market leader Samsung Electronics posted a net profit of 2.14 trillion won in the second quarter, up 50.6 percent from a year ago, but it widely missed analysts' forecast and its outlook is not bright on worries that a downturn in the global economy will likely dampen consumer demand and squeeze margins in the company.