When Chávez became Venezuela's president in 1999, oil prices were climbing. In the early 2010s, a barrel would often fetch about $100, providing the government with plenty of money to pour into social programmes. But with current prices around the $65 mark, the country looks less like a reasonable investment.
Even a single night of road traffic noise, at levels that are typical of those living in a city, causes stress to the heart and blood vessels
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Hobbyist: $12/month
企业在 Data+Al 领域面对的挑战