法国建造马其诺防线是为了防御德国可能的进攻。

France built the ___Maginot Line as a defense against potential German attacks.

仅仅依赖密码锁保护贵重物品，就像建立了一个现代的Maginot防线。

Relying only on a password lock to protect valuables is like setting up a modern ___Maginot line.