Given data which are free from bias there are further snares to avoid in statistical work.即使数据本身不存在偏差在统计工作中仍需要避免其他陷阱。As covetousness is the root of all evil, so poverty is the worst of all snares.正如贪婪是万恶之源一样, 贫穷是最坏的陷阱.He...
他叉开两条细腿，猛地挺起胸膛。He set his skinny legs apart and threw back his shoulders.她身穿一条开叉开到了大腿的白色连衣裙。She was wearing a white dress slit to the thigh.身体站直，两脚叉开，略宽于肩。Stand tall with your feet slightly wider than shoulder distance a...