而家 ， 假設我哋覺得瘀傷係一個問題 而且研發到一種醫學技術 同埋形成一種文化去治療瘀傷 當中包括有掩蔽霜 、 止痛藥 各種你哋諗到嘅嘢都有 但係我哋忽略咗 人仍然會撞到茶几呢個事實
Now, let's say we think bruises are a problem and we develop a medical technique and a culture to treat bruises, including masking creams, painkillers, you name it, but we ignore the fact that people still bump into coffee tables