多项选择题
现阶段的支付风险主要存在哪些方面？
问答题现阶段的支付风险主要存在哪些方面？
The four factors such as technological invention, disas...
判断题The four factors such as technological invention, disasters, cultural contact and environmental factors influence the change of culture.（）
T echnological inventions is one major factor that acco...
判断题T echnological inventions is one major factor that account s for the change of cultures（）
