Zài / méi / yǒu / xiàn / chéng / dá / àn / shí / wǒ / men / zhǐ / néng / tōng / guò / cháng / shì / cuò / wù / lái / xún / zhǎo / bàn / fǎ在没有现成答案时,我们只能通过尝试错误来寻找办法。When there is no ready-made answer, we can only find a solution through trial and error.