惨淡经营造句【词语】：惨淡经营【拼音】：[cǎn dàn jīng yíng]【释义】：惨淡：苦费心思;经营：筹划。费尽心思辛辛苦苦地经营筹划;后指在困难的境况中艰苦地从事...