If none of the other possible causes seem probable, you may want to take your dog to a vet to rule out any type of internal issue. (petcarrierverdict.com)
However, it could also mean that there are internal issues such as intestinal disorders or parasite infections. (petsmagazine.com.sg)
Businesses have various needs ranging from internal issues (corporate management, employee relations, trade secrets) to external ones (relationships with suppliers or clients, current account and capital financing). (montreallawyers.com)