1、 How Drones Will Change the Future of RailwaysDThe Government’s sugar tax on soft drinks has brought in half as much money as Ministers first predicted it would generate, the first official data on the policy has shown.
2、 The research methods of social science generate two kinds of data.
社会科学的研究方法生成两类数据。
1、 Their babies retain the ability to produce their own chlorophyll, though they can’t generate energy from sunlight until they’ve eaten enough algae to steal the necessary genes, which they can’t yet produce on their own.