But these are unusual circumstances which required unusual action. (cnbc.com)
If your dog doesn't seem to have any energy, observe him closely to determine if there are any other unusual actions in addition to the fatigue. (dogs.lovetoknow.com)
The Trump administration took unusual action against what it said were unfair Chinese trade practices on Tuesday, dusting off a weapon last used in 1991 and announcing two investigations into the pricing of aluminum products imported into the U.S. (washingtonpost.com)