zài / zhī / chí / duō / xíng / de / yǔ / yán / lǐ / tóng / yí / ge / jiē / kǒu / kě / yǐ / yǒu / bù / tóng / de / shí / xiàn / fāng / shì在支持多型的语言里,同一个接口可以有不同的实现方式。In languages that support polymorphism, the same interface can have different implementations.