冷暖: changes in temperature 短语和例子关心群众的冷暖 be concerned with the well-being of the masses; 注意冷暖 be careful about changes of temperature; take care of oneself
中央空调系统: central air conditioning systemcentral air-conditioning systemcentral station air-conditioning systemsvrf
人情冷暖: men's feelings are changeable.; fickleness of human nature;fickleness of worldly relationship between man and man;one's attitude towards another changing with the latter's social position
