The biographer's challenge is to be both a detective and a poet.
地球唱着Mi, Fa, Mi：你甚至可以从音节中推断出，在我们这个家园中，苦难和饥荒占据着统治地位。
The purpose of statistical methods is to provide a rational basis for drawing conclusions from data.
统计方法的目的是为从数据中得出结论提供合理的基础。