The main point here is that it is very difficult to accurately compare two different fuel sources.

It is difficult to accurately compare the net profit ratio for different entities.

Renovation experts say it is extremely difficult to accurately compare costs regionally because of such variations.

It is impossible to accurately compare 12th and 13th century prices with modern equivalents.

It is impossible to accurately compare 15th century prices with modern equivalents.

It is impossible to accurately compare 14th century and modern prices or incomes.

It is difficult to accurately compare 16th-century and modern prices or incomes.

An "ordinary observer", the intended audience, might be misguided in the differences between a book and television program to accurately compare each work's total concept.

Exact data for the corresponding period in 1990 was not available to compare accurately the bureau's efforts from this census with the last.

Without knowing exactly how two companies measure wattage, buyers cannot use the spec to accurately compare products.