The next sentence has laughter and tears.
There are gains and regrets, and more beautiful memories. There are laughter and tears. This sentence comes from The Three of us, which shows the author's summary of past life and reflects the author's optimistic attitude. In the next sentence, there are both gains and regrets, and more beautiful memories. Tears, tears, there are lacrimal glands above the eyeball, and the liquid secreted by lacrimal glands is tears.