回答
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If you cancel the contract, you will be charged for the expenses you have used up until that time.
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In the event that the contract is terminated, you will be liable for the expenses you have used up until that time.
この文章が以下のように翻訳されています。
契約をキャンセルした場合それまでに費やした費用を請求する ー If you cancel the contract, you will be charged for the expenses you have used up until that time.
契約をキャンセルした ー Cancel the contract / the contract is cancelled / terminate the contract / the contract is terminated
場合 ー If / In the event that* (ifよりフォーマルです)
それまでに ー up until then / until that time
費やした費用を ー expenses you have used / expenses you have incurred
請求する ー You will be charged for / will be sought / will be liable for
参考になれば嬉しいです。