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i found it out (at the time action completed).
i have found it out ( action completed).
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ï¼ç°å¨å®ææ¶æ示åçå¨é è¿è¯´è¯æ¶çæ¶é´ãè¿ä¸ç¹ä½ å¦æçæ°é»çå¾å¤å°±è½çæå°ï¼æ é¢åºæ¬é½æ¯ç°å¨å®ææ¶æã
i found it out (last week/yesterday/this morning).
i have found it out ( maybe just now).
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