To tell you just an example, an anecdote about their rarity, I was going to this place every year and would do fieldwork here, and the assistants, of course, helped me do the surveys.
再给你们举一个例子，一些关于他们稀缺性的奇闻轶事， 我每年都要去这个地方，去做实地调查， 当然，我的助手帮助我去做这些调查。