Main Entry: pac·ta sunt ser·van·da Pronunciation: 'pak-t&-'s&nt-s&r-'van-d&, 'päk-tä-'sunt-ser-'vän-däEtymology: Latin 参考资料：http://dictionary.reference.com/browse/pacta%20sunt%20servanda 搜一下：pactasuntservanda怎么念