Activity chart
[经] 活动示意图
🧩 词语组成解析
🗣️ 情景例句
Nothing ventured, nothing gained.
不入虎穴，焉得虎子。
You have too much time on your hands. Why don't you start a hobby?
你有太多的空闲时间，何不开始一样嗜好呢？
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。