take an important step forward的用法和樣例：
例句
- This research seres as an important step forward in the understanding of how aging skin can be improed, researchers say.
這項研究為了進一步明了怎樣改善老化皮膚邁出重要一步，研究者說。 - President Barack Obama says world leaders have made some important strides this week on fighting climate change.
奧巴馬總統稱，本周各國領導人在應對氣候變化方面向前邁出重要一步。
