Albert Einstein had any number of worries about quantum mechanics.The overquoted concern about its chanciness (“God does not play dice”) was just one.

爱因斯坦量子力学有许多忧，机率本质的担忧（他的名：「上帝不玩骰子」）只是中。

To find out its cause, the main risks of new products' failure originate from the chanciness of market.

原因，新产品失败的主要风险来自于市场的不确定性。