Abstention abstention English English abstention abstentions English Abstention English abstentions English Abstention abstaining Abstention abstain 引用 Wikipedia Abstention abstentions English NO VOTA Abstention abstentions http://en.wikipedia.org/wiki/Abstention English abstained English English abstention http://en.wikipedia.org/wiki/Abstention Abstention, defined on wikipedia abstain English Abstention English English abstention