Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school... Zhang Xuefeng's advice: Children from ordinary families stumble on these three things in primary school...