in a way that reacts to events or situations, rather than acting first to change or prevent something

Anticipating changes enables us to manage proactively rather than reactively. 预判变化能让我们主动掌控局势，而不是被动应对。

These children are reactively aggressive, but not proactively aggressive. 这些孩子有被动攻击性，但没有主动攻击性。