jiě / shì / lì / shǐ / wèn / tí / shí / bù / néng / wèi / le / zhèng / míng / zì / jǐ / de / guān / diǎn / ér / qiān / qiǎng / fù / huì解释历史问题时,不能为了证明自己的观点而牵强附会。When explaining historical issues, one should not force connections just to prove one's point.