51.get in touch via QQ
52.The Internet is so much more to A than you can imagine.
53.a aspiring student
54.After years of ups and downs
55.It's a lot more mainstream, I think, than people realize.
56.trigger/cause
57.women outnumber men 2-to-1 with the disease
58.This in part, prompted her participation in the campaign.
59.stem the spread of disease
60.remake its image as a center of international activities