play a leading role的用法和樣例：
例句
- Our monitor plays the leading role in our class.
我們的班長(cháng)在班級里起帶頭作用。 - For all the concerns about the BoJ, however, many observers welcomed signs that the administration was beginning to take a lead on the matter.
盡管對日本央行還有許多憂(yōu)慮，很多觀(guān)察者仍然歡迎政府在處理經(jīng)濟問(wèn)題上開(kāi)始起帶頭作用。
