科学与伦理之间的边界并不总是清晰,需要公众持续讨论。Kēxué yǔ lúnlǐ zhījiān de biānjiè bìng bù zǒng shì qīngxī, xūyào gōngzhòng chíxù tǎolùn.The boundary between science and ethics is not always clear and requires ongoing public discussion.
河中间就是两个村子的边界。Hé zhōngjiān jiù shì liǎng ge cūnzi de biānjiè.The middle of the river is the boundary between the two villages.
每个人都应该学会在朋友之间设定边界。Měi ge rén dōu yīnggāi xuéhuì zài péngyou zhījiān shèdìng biānjiè.Everyone should learn to set boundaries among friends.