"We can use a water faucet as a metaphor. Digital technology, based on an either / or choice between zero and one, can only represent two positions for the faucet: completely open or completely closed. It is relatively limited in terms of control options.
「如果以水龍頭來做比喻，以 0／1 二進位為主的數位科技，只能代表水龍頭的『全開』或『全關』，控制上比較簡單。