And foreigners like Hess can be counted on the fingers of one hand: For instance, at Hess Language School--which has 500 branches island-wide--only about 10 % of all foreign instructors stay longer than three years.
而像何思凡這樣的外國人也是屈指可數，以何嘉仁美語全省的五百名外籍老師來說，能待到三年以上的外師約為十分之一。