obviate: vt.除去，排除(障碍、危险等)，(事前)防止，避免。n.-ation ,-ator n.
objection: n.1.反对；异议；不承认；不情愿，嫌恶。2.缺点；缺陷。3.障碍，妨碍。4.反对的理由。短语和例子The chief objection to this book is its great length. 这本书的主要缺点是太长。 There is no objection to your leaving at once. 你现在即刻走也不碍事。 feel an obje
