Odoo Server saas~14.4 - en to zh_CN translation catalogue (4 entries)

note: module: website_crm_livechat
en: # Sessions
zh_CN: # 会话

note: module: website_crm_livechat
en: Discussion Channel
zh_CN: 讨论频道

note: module: website_crm_livechat
en: Lead/Opportunity
zh_CN: 线索/商机

note: module: website_crm_livechat
en: Sessions
zh_CN: 会话
