Sentence examples for difficulties tracking from inspiring English sources

While methane isn't the most plentiful heat-trapping gas, scientists worry about its increasing amounts and have had difficulties tracking emissions.

No official figure has been given because of difficulties tracking the number of people who enter or remain in the country illegally.

Then, nearly a year after Mr. Anderson was arrested, the district attorney, Eddie Jordan, dropped the charges, citing difficulties tracking down — and believing — Torrie Williams, 33, the witness on whom the indictment depended and on whom a trial would depend.

Its rapid personnel turnover rate, at times as little as 4 months, lead to cultural missteps, and difficulties tracking projects.

She thinks it's unfair to blame the German researchers for their difficulties tracking the source of the outbreak.

In contrast, Doré et al. (1996) found that dogs had especial difficulties tracking the reward during transpositions.

But Mr. Hartle said that even he was having difficulty tracking all the new spending.

"We had an incredible amount of difficulty tracking down who invented the clock radio," he said.

"So if you fall in love with a certain one, you may have some difficulty tracking it down".

ADP said that almost half of these jobs were created by small businesses, which the government statisticians have difficulty tracking.

"We've had a little difficulty tracking him at this point, but we'll ultimately locate the owner of J'Low," Mr. Hagerty said.