The true flavor of life is known only to oneself.
生活的真正滋味只有自己知道。
该句使用被动语态的变体结构 'is known only to oneself'，强调了主语 'The true flavor of life' 的抽象性和排他性，表达简洁有力。
"Life is like a song through its melodies we experience joy and sorrow"
"Life is like a play no matter how it is performed it remains a play."
"Life is a continuous process of reunions and partings"
"Only after experiencing pain can one truly appreciate the joy of living."
"This time, you wept in pain, but the next time you look back on your life, you will surely smile."