1、高兴做某事
sliding scale 计算尺, 按比例增减, 滑动费率,滑动折算制 Be glad to do sth. 高兴做某事 feel it would be better to offer you ……
2、非常高兴做某事
... twenty minutes younger 小二十分钟 be glad to do 非常高兴做某事 a cute little dog 一只可爱的小狗 ...
3、很高兴去做
...be mad at 疯狂于be glad to do 很高兴去做……be good for 对……有好处 ...
4、乐意做
...- mad but glad 妥瑞症天才be glad to do 乐意做……glad eye 抛媚眼 ...