Материалы по теме:
In each puzzle, a golden coin (represented as a yellow free variable) is hidden inside a lambda term.
，这一点在服务器推荐中也有详细论述
演說頻頻被共和黨議員的歡呼打斷，但在特朗普談到關稅時，引發民主黨低語，以及共和黨議員的不自在沉默——許多共和黨人對關稅的經濟成本感到不安，也擔心其不受歡迎會影響選舉前景。
保证金的提供、使用或者退还，不影响各方最终的分摊责任。
In the previous example we considered a space which has only one road looping back on itself. The number of times you would walk around the road to get back to the “same” point (or an equivalent point in a different copy) can be encoded using this “winding number” trick: