21.   Historic rivals in the highly lucrative business of taking companies public, managers of these two firms might not take kindly to being put under the same corporate roof.

22.   I have my own security detail living under the same roof.

23.   If you have men and women under the same roof, they will have sex.

24.   In a racially and ethnically diverse nation, there should be room for all forms of cultural expression, separately or under the same roof.

25.   In effect, they run parallel restaurants under the same roof.

26.   Increasingly, such disparate disciplines exist under the same roof, even at hospitals once hailed as bastions of traditional medicine.

27.   It is still unclear, however, how well the different corporate cultures of the two firms can exist under the same roof.

28.   Its theme is metaphor, Kertess has said, which means little but helps explain what Matthew Barney and Jane Freilicher are doing under the same roof.

29.   It would also bar gay and lesbian couples from filing joint income-tax returns, even if they live under the same roof and share everything else.

30.   More than a century later, blacks and whites are worshipping under the same roof again, in equitable circumstances.