An array is sizeof(union alloc_header) + length * sizes[type] bytes
这在当时是华强北最常见的模式，工厂代工生产（ 不涉及产品核心设计 ），国际用户拿到手贴上自己品牌去卖。货一出海，价格往往能翻好几倍，但这跟代工厂没关系，国内这些工厂赚的，就只是最底层那薄薄一层加工费。
。夫子对此有专业解读
if (e.target?.tagName === 'AUDIO' || e.target?.tagName === 'VIDEO')
Laura Ullrich, director of economic research at Indeed, said in her view another reason hiring appetites took a hit last year was the uncertainty stemming from the Trump administration's cuts to government spending and his programme of tariffs.
for await (const chunk of stream) {