两个方面（多指物质文明和精神文明两方面）同时下功夫to make a concerted effort in two areas simultaneously

• 坚持“两手抓，两手都要硬”

  insist on "making a concerted effort in two areas simultaneously and making both efforts count"

• 我们要更好地坚持两手抓、两手都要硬，把两个文明建设有机地结合起来，相互促进。

  We must better uphold the principle of "making a concerted effort in two areas simultaneously and making both efforts count" in order to create an organic combination between the construction of material and spiritual culture and ensure that each type of culture spurs the other on.