Save wear and tear on的用法和樣例：
例句
- He was very paternal and gave me some good advice.
他像父親般保護我，並且給了我一些好的忠告。 - I stepped out onto the ladder on the lee side.
我爬上保護欄一側的梯子。 - The all-polyethylene monoblock design would be expected to reduce wear by eliminating the nonarticular surface interface.
而全聚乙烯單體設計將有望通過降低非關節面得界面而減少磨損。
