自从去年数十名游客在突尼斯遭袭时丧生，突尼斯政府的官员显得更加忧心忡忡。
Officials of the Tunisian government are especially worried after dozens of tourists were killed in the attacks in Tunisia last year.
她自从去年夏初起就一直在那里工作。
She's been working there since the beginning of last summer.
他告诉法庭自从去年被解雇以来，他的职业生涯就遭受了一次直线下降。
He told the tribunal his career had "taken a nosedive" since his dismissal last year.
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