He can comfortably afford the extra expense.

他支付这些额外的费用毫无问题。

《牛津词典》

The extra payments are a lifeline for most single mothers.

额外补助对大多数单身母亲来说都是赖以生存的生命线。

《牛津词典》

The extra scrubbing will harm your floors over time.

久而久之，额外擦洗会损害你的地板。

youdao

NASA was worried that the extra water could destroy the power supply needed for the spacecraft's return to Earth.

VOA: special.2009.06.24

So sometimes the extra solution is very interesting and you should always listen to the mathematics when you get extra solutions.

所以有时候这些增根的意义很耐人寻味,当你解出增根的时候,别忘了想一想它的数学含义

耶鲁公开课 - 基础物理课程节选

and I think it's worth it for the extra dollar or the extra fifty cents to buy the nicer brand.

我想，值得多花一美元或五十美分去买更好的品牌产品。

不需要名牌 - SpeakingMax英语口语达人

All the indications are that Cyprus itself will have to find the extra money.

BBC: Cyprus: Bailed out or broken

But go the extra mile: Ask your state's securities department to check into the company's principals.

FORBES: Famous Last Words

They theorize that the extra supply of money makes money itself worth less in gold terms.

FORBES: Why Fed Printing Money Is No Magic Bullet For Gold