PricingWritesonic is free with limited features. The free plan is more like a free trial, providing ten credits. After that, you’d need to upgrade to a paid plan. Here are your options:
（一）盗窃、损毁油气管道设施、电力电信设施、广播电视设施、水利工程设施、公共供水设施、公路及附属设施或者水文监测、测量、气象测报、生态环境监测、地质监测、地震监测等公共设施，危及公共安全的；
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Lex: FT's flagship investment column
圖像來源，BBC Chinese / Lok Lee