其他节日纪念过去;植树节则为未来着想。
无人机不是玩具,而是改变行业的工具。
我不会让任何人定义我。
Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.
我不会让我的国家失望。