The new card you receive will come with a new personal identification number ( ' , PIN).
出自-2017年6月閱讀原文
Each time you remember the new PIN, you gradually forget the old one.
出自-2017年6月閱讀原文
Because children's brain and behavioral disorders, like hyperactivity and lower grades, can also be linked to social and genetic factors, it's tough to pin them on exposure to specific chemicals with solid 33 statistical evidence, which is what the EPA re
2015年12月六級真題（第一套）閱讀 Section A
This suggests that the alleged "Hawthorne effect" is hard to pin down.