21.   The cost of land, buildings and wages for teachers are continuously increasing and that makes conventional education more expensive than online education.

22.   Raising equity capital is invariably more expensive than raising debt capital.

23.   We have noticed over the last few months at Cadogan Travel seem to be noticeably more expensive than the other travel agents used by Christian Aid.

24.   In Canada a study concluded that polychemotherapy was less expensive than best supportive care although patients survived for longer in the chemotherapy group.

25.   Firstly, it should be remembered that raising well-equipped military forces may sometimes have been no less expensive than paying the enemy to go away.

26.   He acknowledged that it could prove up to four times more expensive than wind or wave power.

27.   The hatchback model will be much more expensive than a comparable petrol car, a company spokesman admitted.

28.   Until now electricity from solar cells has been much more expensive than that from conventional sources because the cells are made from silicon and other expensive materials.

29.   Although RME is more expensive than diesel, it produces no sulphur dioxide and less carbon dioxide, factors which make it particularly suitable for use in urban areas.

30.   Can I just query the cost of Cloverfield Hospice, I just wondered why that was so much more expensive than the others?