spare no expense的用法和樣例：
例句
- He spared no expense in helping us.
他不惜一切代價幫助我們。 - They went to all the expense of redecorating the house and then they moved.
他們不惜一切代價重新裝飾這房子，可後來又搬走了。 - No expense was spared in furnishing the new office.
裝潢新辦公室不惜工本。 - He spared no expense in building a villa for himself.
他不惜工本為自己造了一幢別墅。
