该公司是很神秘的对这一出于安全理由，这是不够公平。
The company is very secretive about this for reasons of security, which is fair enough.
youdao
班得瑞神秘的旋律恰恰给人一种和平和安全的感觉。
Bandari's mystic sonorities convey a sense of peace and security.
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