This is so clear-cut that it affords a better starting-point for a discussion than the phrases of later writers who, without really departing from the essence of the Ricardian doctrine, are nevertheless sufficiently uncomfortable about it to seek refuge in haziness.

这是如此明确，以至于它为讨论提供了一个更好的起点，而不是后来的作家的短语，后者虽然没有真正背离李嘉图学说的本质，但却对此感到非常不安，以至于在模糊中寻求庇护。