Our knowledge of such relations, though it requires more power of abstraction than is required for perceiving the qualities of sense-data, appears to be equally immediate, and (at least in some cases) equally indubitable.
我们对这种关系的了解, 虽然比感知感觉材料的性质需要更多的抽象能力, 但似乎同样直接, 并且(至少在某些情况下)同样不容置疑。