Before they became major officials, dozens of years should have passed and they should have collected enough experience to tackle seemingly tough problemsIn 1998, when she was back in her hometown, Cho delivered a three-hour speech to 82 heads of primary schools, trying to persuade them to offer Chinese courseshahabet星辰大海A teacher of Korean at Hefei University in Anhui province, Cho has helped to boost the two countries' ties in multiple aspects - not just in educationThe couple found employment quickly at Hefei University and began teaching Korean the next yearcn  Cho Sung-hye talks with her students at Hefei University in Anhui provincehahabet星辰大海The latest example was a 2016 donation of 20,000 yuan ($3,000) to four high school graduates in Hefei's Feidong county who had been enrolled at universities but were about to give up for lack of money