long-standing policy的用法和樣例：
例句
- Birth Control is a long-term policy.
計劃生育是一項長(cháng)期政策。 - These commitments are just the first instalment in what could ultimately be a long-term government policy to use low-carbon growth as a key lever for economic recovery.
而這些舉措僅僅是萬(wàn)里長(cháng)征的第一步而已，將低碳增長(cháng)作為實(shí)現經(jīng)濟復蘇的一個(gè)重要杠桿將最終成為政府的長(cháng)期政策。
