「能用」的标准：逻辑结构完整、视觉元素丰富（不仅是文字）、无需大量后期微调。
"I believe we've had a problem here," said Swigert. Lovell had to repeat the message to a stunned Mission Control: "Houston, we've had a problem."
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The design of Web streams predates async iteration in JavaScript. The for await...of syntax didn't land until ES2018, two years after the Streams Standard was initially finalized. This timing meant the API couldn't initially leverage what would eventually become the idiomatic way to consume asynchronous sequences in JavaScript. Instead, the spec introduced its own reader/writer acquisition model — and that decision rippled through every aspect of the API.
Rotom is not, in and of itself, a living inanimate object. It's more like a living spark of electricity. It has no evolutionary tree, but it does learn to inhabit a variety of household objects, gaining different abilities. At different points in the series, Rotom has been a microwave, a washing machine, and a lawn mower, and it has even served as the basis for smartphones in modern Pokémon video games.