It's an interesting scientific phenomenon, but of no practical use whatever.
这是一种有趣的科学现象，但没有什么实际用途。
The edges of axe, adze and chisel had been finely grinded and had no sign of being used, indicating that they were not tools of practical use but formalized symbols.
金沙出土的玉制兵器与工具，基本没有使用过，说明已不是实用器，而是礼仪用器。
Well, I'll be! He may be of no practical use. But I've got to remember that he's the Managing Director's son.
真讨厌！他可能没有实际用处，但是我得记著他是常务董事的公子。
Well, I'll be! He may be of no practical use. But I've got to remember that he's the Managing Director's son.
真讨厌！他可能没有实际用处，但是我得记著他是常务董事的公子。
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