问题在于，瑞士的日内瓦天文台的天文学家 Francesco Pepe 之后的研究却连这课行星是否存在都无法确定。

The problem is, a follow-up study failed to confirm that this planet even exists, astronomer Francesco Pepe at the Geneva Observatory in Switzerland found.

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连可以全程报销的瑞士之旅，我都编造借口说去不了。

Another time I concocted an excuse for why I couldn't go on an all-expenses-paid trip to Switzerland.

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