“的确是这样”常见的英文表达有：
That's exactly right.
“exactly”强调准确无误、丝毫不差，“right”表示正确，此表达简洁有力地肯定了陈述内容与事实完全相符。例如：You said the project would be finished by Friday, and it was. That's exactly right.（你说项目会在周五前完成，确实完成了。的确是这样。）
Indeed, that's the case.
“indeed”用于加强语气，表示“确实”“的确”；“that's the case”是较为正式的说法，意为“情况就是如此”。例如：The new policy has led to a significant increase in sales. Indeed, that's the case.（新政策使销售额大幅增长。的确是这样。）
You're absolutely correct.
“absolutely”表示“绝对地”“完全地”，“correct”是“正确的”，此表达语气较为肯定和强烈，常用于对他人观点或陈述的认可。例如：You said the market trend would change this quarter, and it has. You're absolutely correct.（你说市场趋势本季度会改变，确实如此。你完全正确。）