zhè / bù / diàn / yǐng / tōng / guò / rén / wù / de / xuǎn / zé / biǎo / xiàn / le / rén / xìng / de / èr / chóng / xìng这部电影通过人物的选择表现了人性的二重性。The film portrays the dual nature of humanity through the characters' choices.