The two main justifications for adding chips to passports are that they improve security at border crossings and speed up immigration procedures.
有两个主要说辞支持在护照中加入芯片：提高边境口岸的安全性与加快入境手续办理。
2
All trains at main border crossings are now inspected.
所有越境列车现在都要检查。
3
The two main justifications for adding chips to passports are that they improve security at border crossings and speed up immigration procedures. Your correspondent thinks this is poppycock.