busy反義詞不是spare，是freeI havefreed time for tomorrow's appointment.我已經為明天的約會騰出了時間。

She's finally living afreelife.她終于過上了自由自在的生活。We provide snacks for every visitorfree.我們?yōu)槊课挥慰兔赓M提供小吃。I make a lot of cakes in myfreetime.我空閑時間做很多蛋糕。Are youfreeon Friday 你周五有時間嗎？They gave her afreeupgrade because she's a loyal customer.他們給她免費升了艙，因為她是忠誠顧客。I'mbusychecking up on the attendees of the meeting.我正忙于核對會議的與會人員。