Party A shall have the right to demand that Party B to carry out up to fifteen (15) class periods per week during the winter and summer vacations.是什么意思_Party A shall have the right to demand that Party B to carry out up to fifteen (15) class periods per week during the winter and summer vacations.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句