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》

This causes both inconvenience and extra expense in repairs.

这会造成维修的不便和额外花销。

youdao

Small salt makers who fear extra expense often lobby against it.

一些不愿承担额外成本的小型盐商经常游说反对加碘盐。

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This means that the extra expense of fuel is more than canceled out by low capital costs.

FORBES: Raymond James' James Parker

The 12b-1 fee is an extra expense levied on current shareholders in an attempt to attract new shareholders.

FORBES: One ETF Firm Hints at 12b-1 Fees

Verna says that she, too, has a single: worth the extra expense, because that way you can really relax.

NEWYORKER: Stone Mattress