Once you have worthy opponents, set some ground rules so everyone understands responsibilities and boundaries.
出自-2015年12月閱讀原文
Learn: Expand your boundaries.
出自-2010年12月閱讀原文
Esperanto is used internationally across language boundaries by at least 1 million people, particularly in specialized fields.
出自-2010年6月聽力原文
Today, professors routinely treat the progressive interpretation of history and progressive public policy as the proper subject of study while portraying conservative or classical liberal ideas —such as free markets, self-reliance—as falling outside the boundaries of routine, and sometimes legitimate, intellectual investigation.