@Bold: Naruto always had the upper hand in sensing so it would make sense for him to ask Naruto to sense them when they got close, but inter-dimensional sensing is something Naruto can't do and Sasuke was shown to be able to do so on multiple occasions, which is probably due to his Rinnegan.
The 2 translations are quite different but they are not contradictory, just because we didn't see Sasuke's portal doesn't mean they did not travel dimensions (Sasuke mentioned it which is enough to assume they did). And even without that, remember what connects Shin and the others to Naruto's dimension is the mini-Juubi with his Kamui-like S/T.
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Which means just like Obito, they also have their own dimension.