想起以前在北京，pm2.5最严重的时候空气中都可以看到悬浮的颗粒物。现在来曼谷两年了，没想到被pm2.5追着杀。
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Disclaimer: The above content reflects only the author's opinion and does not represent any stance of CoinNX, nor does it constitute any investment advice related to CoinNX.