punctual assume counterpart qualify approach retreat indulge fraud core resort The picture, which was claimed to be a real Picasso, turned out to be a __________.
【简答题】我们永远无法了解一个事物的本来面目,因为我们的存在就影响了研究的对象。 We can never understand something as it really is because our very ____________ affects what is being studied.