5. However, research has consistently shown that vocational education research papers have not attained a high level of ...

Under the blazing desert sun in Dunhuang, Gansu province, fields now glimmer with golden bales of cotton, each tightly wrapped in plastic and standing as a symbol of decades of scientific work to tame ...

今天（11 月 19 日）是世界厕所日。在公共厕所界，有着两大流派——马桶派和蹲坑派。他们分别有自己最喜爱的上厕所“装备”，马桶和蹲便器。