在公开场合谈论自己的失败需要极大的勇气和愿意展现脆弱。

Speaking about your failures in public requires great courage and ___vulnerability.

防火墙更新后，系统对网络攻击的脆弱性显著降低了。

The system's ___vulnerability to cyber attacks was significantly reduced after the firewall update.

她不愿谈论童年创伤，因为那是她最大的情感弱点。

She avoids talking about her childhood trauma because it's her biggest ___vulnerability.