"It was difficult to identify them".
He concluded that it was "difficult to identify" how those emissions would impact the reef.
Industry experts said it was difficult to identify a clear winner from the dispute.
But he said it was difficult to identify others because of their extensive clothing.
"The impact was so bad" that it was difficult to identify him, Mr. Yeh said.
The officials, however, said it was difficult to identify the bodies, because they had begun to decompose.
However, patchiness at this scale was difficult to identify by satellite remote sensing and measure in situ.
She did not commit to an increase in the security services budget, adding that it was difficult to identify the biggest risks.
When a display or pricing error was made or when a section was dirty, it was difficult to identify the source of the problem.
Asked to explain his feeling, Rolle said it was difficult to identify a cause for the drop in energy, which was one reason he found it alarming.
Wily Thai crocodile merchants had offered the Chinese buyers a discount if they would accept a mixture of male and female crocodiles of all ages, and warned that it was difficult to identify the genders of young crocodiles.
