白色蜡笔画不出婚礼黑色蜡笔画不出忧伤
[bái sè là bĭ huà bù chū hūn lĭ hēi sè là bĭ huà bù chū yōu shāng]
This creative expression uses colored pencils to metaphorically describe emotions: white represents purity or emptiness while black stands for sorrow. It implies certain events (wedding joy vs deep sadness) are beyond depiction with simple tools like wax crayons, signifying complexities and nuances of human sentiments that cannot easily be captured.