Cave communities are tightly-knit, enduring structures that tend to channel local migration between contiguous countries; biregional communities are likely to merge migration between two distinct geographic regions (e.g., North Africa and Europe); and bridging communities have hub-and-spoke structures that tend to emerge dynamically from globe-spanning movements.

The size is an inadvertence like the tailor's stitches, to allow a style to emerge.

The pilot quickly recovered from the power surge caused by the faulty fuel system.

Just branding a programme as ‘rubbish’, ‘tripe’, or—there are a lot of these—‘codswallop’, gives little indication of what moved the viewer to write.