public IParagraphUnit CreateParagraph(IEnumerable <ISegmentPair> segmentPairs)
{
var paragraphUnit = _segmentBuilder.CreateParagraphUnit(null);
paragraphUnit.Properties.ParagraphUnitId = new ParagraphUnitId(Guid.NewGuid().ToString());
foreach (var segmentPair in segmentPairs)
{
paragraphUnit.Source.Add(segmentPair.Source);
paragraphUnit.Target.Add(segmentPair.Target);
}
return(paragraphUnit);
}