(noun.) an unknown and unpredictable phenomenon that causes an event to result one way rather than another; 'bad luck caused his downfall'; 'we ran into each other by pure chance'.
(noun.) an unknown and unpredictable phenomenon that leads to a favorable outcome; 'it was my good luck to be there'; 'they say luck is a lady'; 'it was as if fortune guided his hand'.
录入:鲁道夫
整理:蒂娜