Qft
量子場論（quantized field theory）\\n指報價頻率測試（quotation frequency test）\\n定量反饋理論（quantitative feedback theory）
??? 情景例句
Life is full of ups and downs.
生活充滿起伏。
Love and cough cannot be hid.
愛情和咳嗽是不能掩飾的。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5個孩子，全家人常年在貧困中掙扎。