71. to be careful! 一定要小心! 72. do me a favor 帮个忙,好吗? 73. help yourself. 别客气 74. i'm on a diet. 我在节食 75. keep in touch. 保持联络 76. time is money. 时间就是金钱 77. who's calling? 是哪一位? 78. you did right. 你做得对 79. you set me up! 你出卖我! 80. can i help you? 我能帮你吗?
71. to be careful! 一定要小心! 72. do me a favor 帮个忙,好吗? 73. help yourself. 别客气 74. i'm on a diet. 我在节食 75. keep in touch. 保持联络 76. time is money. 时间就是金钱 77. who's calling? 是哪一位? 78. you did right. 你做得对 79. you set me up! 你出卖我! 80. can i help you? 我能帮你吗?