【明報專訊】It was spring and she was enjoying a day of wonderful sunshine when someone asked if she'd care to spend a year teaching in the far north. She had never been there, so it seemed like a wonderful opportunity to travel, meet people and to broaden her knowledge of the world. "In the summer you will need light clothing," she was told, "but I don't know what to advise for winter." She signed the contract, though she later confessed she hadn't given much attention to that remark about winter.