economy的副词形式

　　The economy remains sluggish.

　　经济保持缓慢发展。

　　The economy continues to grow.

　　经济持续增长。

　　The economy is in the doldrums.

　　经济毫无生气。

　　By 1988 the economy was booming.

　　到1988年为止经济一直很繁荣。