以下是一些使用"Unfortunately"的句子示例：
Unfortunately, the text is sprinkled with errors。
Unfortunately, the new software has failed to meet expectations。
Unfortunately, Grandma always seems to awaken at awkward moments。
Unfortunately, I won't be able to attend the meeting。
Unfortunately, my time is limited。
Unfortunately, there is still US legislative reluctance to provide capital to the IMF。
Unfortunately, she died in the years of war at the age of only thirty-one。
Unfortunately, the sharper is the adjustment, so is the level of pain。
Unfortunately, opportunities to listen to a great speaker are few and far between。
Unfortunately, this method does not work with existing enterprise e-mail systems。
Unfortunately, he won't be here tomorrow evening。
Unfortunately, history offers no guarantee that a more humane and beneficent style of life inevitably wins。
Unfortunately, his words did not seem to percolate through their bureaucracy with customary efficiency。