To fulfil the word of the LORD by the mouth of Jeremiah, until the land had enjoyed her sabbaths: [for] as long as she lay desolate she kept sabbath, to fulfil threescore and ten years.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 36:21 >to fulfil the word of the LORD by the mouth of Jeremiah, until the land had been paid her sabbaths; for as long as she lay desolate she kept sabbath, to fulfil threescore and ten years.