adopting a short-sighted or stop-gap approach by responding to problems only as they arise instead of being proactive

城市规划不能总是头痛医头，我们需要一个长远的整体方案。

to treat the immediate symptoms of a problem rather than addressing the underlying root cause

这种头痛医头的治疗方式只能暂时缓解病人的痛苦，无法根治疾病。