investment activity短语¹⁴⁴⁹⁷²⁺² 基本例句 投资活动 The low investment activity indicates that the majority of companies have yet not returned to a more active investment strategy in the environment of high uncertainty and limited credit. 低水平投资表明，在不确定性高和信贷有限的情况下，大部分企业尚没有像以前那样实施更积极的投资战略。 worldbank