Pyongyang has in the past used detained US citizens to extract high-profile visits from the United States, with which it has no formal diplomatic relations.
Learn from history: Countries which eliminated malaria in the past used more than one strategy.
None of the important printmakers of the past used the technique.
Recipes in the past used to call for a cautious pinch of cayenne pepper.
In practice, wealthy defendants have in the past used this clause to buy their way out of criminal trials.
Indulging in sentimental thoughts about the past used to be considered a sign of psychological weakness, similar to homesickness.
That would need the support of Russia and China, which have in the past used their vetoes to protect Assad.
He also said that China had in the past used a number of techniques to make its positions less obvious.
The social impact is of great concern because China has in the past used similar strategies to weaken Tibetan claims of a separate culture.
At least one major food maker that in the past used Genetic ID for testing appears to be turning to other labs.
The transcriptions by Romantic pianists are often really paraphrases, with familiar works from the past used as springboards for either showy pianism or freewheeling fantasy.
