Equal (0): Everything in this space must be equal to 0. The answer is 2-0, placed horizontally; 1-0, placed vertically.
"If you haven't got any other source of heating, just what do you do?"
，这一点在新收录的资料中也有详细论述
October 17, 1950: RCA files a lawsuit against the FCC
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Officially, Venezuela has 300 billion barrels of oil reserves – yet in 2023, it exported just 211.6 million barrels of oil, worth about $4bn. Compare that to second-placed Saudi Arabia, which has 267 billion barrels of reserves, but had exports worth $181bn in the same time period.