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[计] 块校验字符, 盲目抄送
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
After a storm comes a calm.
否极泰来。
Is this box big? No, it's small.
不，是小的。