ecological distinction的用法和樣例：
例句
- For Americans, the distinction between a friend and a co-worker blurs to near invisibility.
對美國人來說，朋友和同事之間的界限幾乎已經模糊到看不見的程度。 - There is the distinction between dialectics and sophistry, and in reality those two also have notable differences.
摘要唯物辯證法與詭辯論有嚴格的界限，在實際生活中也有明顯區別。
