《当幸福来敲门》改编自美国著名黑人投资专家克里斯·加德纳的同名自传。这是一个典型的美国式励志故事。作为一名单身父亲,加德纳一度面临连自己的温饱也无法解决的困境。在最困难的时期,加德纳只能将自己仅有的财产背在背上,然后一手提着尿布,一手推着婴儿车,与儿子一起前往无家可归 “When happiness comes to knock on the door” adapted from the famous American black investment expert Chris Gardner autobiography of the same name. This is a typical American-style inspirational story. As a single father, Gardner once faced with the plight of her own food and clothing can not be solved. In the most difficult times, Gardner could only carry his only possessions on his back and then with his diaper in one hand and his stroller in one hand, went homeless with his son