这家银行雇佣了一位白帽黑客来检查他们的网络安全漏洞。

The bank hired a ___white-hat to identify security weaknesses in their network.

这家公司雇佣了白帽黑客来测试他们的网络安全系统。

The company hired ___white-hat hackers to test their cybersecurity system.