subliminal
/ˌsʌbˈlɪmɪnl; sʌb`lɪmənl/ adj
being perceivedor affecting the mind without one being aware of it 下意识的; 潜意识的
the subliminal message of the text, ie one not explicitly stated 文中的言外之意
subliminal advertising, eg by means of an image flashed onto a screen so briefly that it is noted only by the subconscious mind 潜意识广告（如影像在屏幕上一闪而过, 在观众潜意识中留下印象）.