Well, if there were an outsider, he may be traced and taken. That would be the most effective of all proofs. But if not--well, the resources of science are far from being exhausted. I think that an evening alone in that study would help me much.
好，如果是一个外来人，那么他就有可能被追捕归案，这种证明当然是最有效不过了。但如果不是这样的话……嗯，科学的手段是无穷无尽的。我想，要是我能单独在书房呆一晚上，那对我会有很大帮助的。