全球油價大幅上升，此前至少有三艘船隻在霍爾木茲海峽（the Strait of Hormuz）附近遭到攻擊，伊朗則持續在中東各地發動襲擊，以回應美國與以色列持續進行的攻擊。
If all stack matches are stale (or none exist), matching is expanded to the
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Trump orders federal agencies to ‘immediately cease’ using Anthropic technology
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Although the puzzle we started with might seem silly, the study of these structures — known as Diophantine approximations — is taken seriously and gets complicated fast. For example, it’s possible to construct so-called Liouville numbers that have an infinite irrationality exponent (endless n-good approximations for any n), but it’s a lot harder to prove that there’s any commonly-encountered number with an irrationality exponent greater than two. In the same vein, algebraic irrationals (e.g., √2) all have an irrationality measure of two, but the proof of this is fiendishly difficult and netted its discoverer the Fields Medal back in 1958.
self._background_tasks.discard(t)，这一点在体育直播中也有详细论述