Please ship the documents in opaque envelopes so the contents stay confidential.

請用不透明的信封寄送這些文件,以確保內容保密。

The hotel rooms have opaque curtains that block out all the morning light.

飯店房間配有不透明的窗簾,能完全遮擋早晨的陽光。

Our new office uses opaque glass panels to give the meeting rooms more privacy.

我們的新辦公室使用不透明的玻璃隔板,讓會議室更有隱私。