button in condensed milk

例句：

1. 1. The buttons on his shirt are all different sizes.
   他衬衫上的纽扣大小都不一样。
2. 2. She carefully sewed the buttons onto the dress.
   她小心翼翼地把纽扣缝在了裙子上。
3. 3.The buttons on her coat were loose and came undone easily.
   她的外套上的纽扣松了，很容易就掉了。