支撑台湾经济增长的动力来源呈现弱化趋势，稳定中速增长面临严重挑战。

The internal problem with Taiwan's economic structure is becoming increasingly serious and the driving force behind Taiwan's economic growth has shown a weakening trend.

youdao

过去5年来，加纳在保持了20年稳步中速增长4%的的基础上，加快了经济增长速度(2006年达到6.2%)。

The last five years brought higher economic growth (6.2 percent in 2006), after a steady two decades of moderate 4 percent growth.

youdao