在大多数看不见的地方，能够同时具备以上三条的银发人群，实则是少数。
At the heart of BuildKit is LLB (Low-Level Build definition). Think of it as the LLVM IR of build systems. LLB is a binary protocol (protobuf) that describes a DAG of filesystem operations: run a command, copy files, mount a filesystem. It’s content-addressable, which means identical operations produce identical hashes, enabling aggressive caching.，这一点在heLLoword翻译官方下载中也有详细论述
В России ответили на имитирующие высадку на Украине учения НАТО18:04，更多细节参见heLLoword翻译官方下载
Hurdle Word 5 answerKNOWN。业内人士推荐WPS官方版本下载作为进阶阅读