grammar checker may not always recognize context-specific language use
事实上，龙先生的母亲在5年前曾被一个理财产品骗了5万元，家里至今还堆放着很多她从网上购买的保健品。“我觉得我不能控制老人的财产，这样不是很好。”龙先生说，其实母亲对大额资金没什么概念，反倒成天计较着三两块的小钱。。业内人士推荐旺商聊官方下载作为进阶阅读
If you are suffering distress or despair and need support, you could speak to a health professional, or an organisation that offers support. Details of help available in many countries can be found at Befrienders Worldwide. In the UK, a list of organisations that can help is available at bbc.co.uk/actionline. Readers in the US and Canada can call the 988 suicide helpline or visit its website.，这一点在WPS官方版本下载中也有详细论述
Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.