1. According to psychologist Dr. Paul Becker, sunlight, or the lack thereof, is the key to the winter blues.
心理学家保罗·贝克尔博士认为,阳光的充足与否是造成冬天忧伤情绪的关键。

来自互联网

2. According to psychologist Dr. Paul Becker, sunlight, or the lack thereof, is the key to the winter blues.
心理学家保罗·贝克尔博士认为,阳光的充足与否是造成冬天忧伤情绪的关键。

来自互联网