Directions: Fill in the blanks with the appropriate option.

If you can ....... the cost of travel, there is of course no substitute for visiting the country itself.

'Afford the cost' means having enough money or resources to pay for something. This is the standard expression when discussing whether someone can financially manage travel or other expenses. 'Spend' and 'expend' refer to using money but don't capture the sense of capability or means. 'Calculate' doesn't fit the meaning.