On a Monday morning in the not-too-distant past, we received a call from an Information Security engineer at a major international bank, who we will refer to as Bank Client (BC) from this point forward.

• 在不久前的一个星期一早晨，我们接到一家大国际银行的信息安全工程师打来的电话，从这点起我们将这位工程师作为银行客户（bc）。