There, the party encounters native tribes who see no clear boundaries between the animal and human worlds.
American efforts to draw clear boundaries between prop trading and buying securities to sell to clients are proving fiendishly difficult.
More recently, lawmakers, lobbyists and others inside the bubble of state government have been preoccupied with the absence of clear boundaries between professional and legislative business.
Modern working patterns, and in particular our use of technology such as smartphones, make it harder to establish clear boundaries between our work and personal lives.
No clear boundaries between intercollegiate and club football, or even amateur and professional, were drawn in Canada for several decades, nor were football's commercial possibilities realized for some time.
Over much of India, and especially the Indo-Gangetic Plain, there are no clear boundaries between one vernacular and another (although ordinary villagers are sensitive to nuances of dialect that differentiate nearby localities).
Michael said he and the South Wales chief constable have "mutual confidence in each other" and there are clear boundaries between them, but "it would be ridiculous to suggest that either of us could be uninterested in matters on the other side of the line.
But it is also carrying out a survey, jointly with Minnesota Planning, into metropolitan land use, which hopes to knit together city, county and state organisations to save farmland and open space and to revitalise the urban core by creating clear boundaries between city and country.
"The drivers are going to say, 'No problem, I'm just going to do a street hail.' " Mr. Kabessa, a board member of the Livery Roundtable, which represents 240 companies citywide that are affiliated with 14,000 vehicles, said his group had urged the city to maintain the same clear boundaries between taxi and livery service as in most of Manhattan.
There are clear boundaries between each crystalline grain without adhesion.
And in the online world, the clear boundaries between news and adverts do not feel quite so clear anymore.
