English Dictionary

wear and tear

/ˈwɛəɹ ən ˈtɛəɹ/

noun

Damage or depreciation resulting from ordinary use (normally as something excluded from a guarantee or warranty of quality, or as justifying a write-down in a set of accounts).

The constant use of the machine has caused a lot of wear and tear.

意味（1）

Damage or depreciation resulting from ordinary use (normally as something excluded from a guarantee or warranty of quality, or as justifying a write-down in a set of accounts).

The main obstacles to increasing traffic, in fact, are the heavy gradients and sharp curves on the approaches to the Gotthard Tunnel. Wear-and-tear of the track necessitates frequent attention by the civil engineers and possessions are hard to obtain without reducing the throughput of trains.