承运人依照前款规定将货物装载在舱面上，对由于此种载运的特殊风险造成的货物灭失、损坏或者迟延交付，不承担赔偿责任。
（四）故意制作、传播计算机病毒等破坏性程序的；，这一点在体育直播中也有详细论述
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Collections of Documents on the other hand, offer a much more relaxed approach. Collections are just namespaces where we insert documents. Documents are objects of any schema and format; but in practice, it almost always is JSON. There are no enforced types, no constraints, no guarded references between documents in different collections. In the same collection, we might have documents of completely different schema - flexibility and openness to any data and column types rules here. In tables, rows have columns of simple, scalar types (mostly) - numbers, ids, strings, dates, timestamps and so on. In collections, documents have fields comprising both simple and composite types like arrays and other documents, nested inside. Same field in different documents, but still of the same collection, might have different types as well - almost anything is allowed here.