“经济复苏”常见的英文表达是 economic recovery 。
例句：
The government has implemented a series of policies to promote economic recovery.（政府已经实施了一系列政策来促进经济复苏。）
Many economists are optimistic about the prospects for economic recovery in the next year.（许多经济学家对明年经济复苏的前景持乐观态度。 ）