谷歌词根: 被用频率特别高的关键词，叫谷歌词根，有时候打开谷歌趋势，但不知道搜索什么，就可以搜一搜谷歌趋势词根，说不定会有新发现。
Online,Generator,Example,Convert,Translator
Maker,Creator,Editor,Processor,Downloader
Processor,Designer,Compiler,Analyzer,Evaluator
Calculator,Interpreter,Uploader,Receiver,Sender
Sample,Template,Format,Builder,Scheme
Pattern,Checker,Detector,Manager,Scraper
Explorer,Dashboard,Planner,Tracker,Recorder
Converter,Viewer,Optimizer,Scheduler,Extractor
Monitor,Simulator,Assistant,Verifier,Notifier
Simulator,Assistant,Comparator,Navigator,Syncer
Connector,Constructor,Responder,Navigator,Syncer
what、why、how
Game