1·Conclusion:The result of colonic transit test possesses fortuity and independability since the shakiness of colonic function.
结论：结肠功能的不稳定性决定了运输试验具有一定程度的偶然性和不可靠性。
2·The skill of literary art creation is a process of treads and full of characters of fortuity and personality.
艺术创造的技巧表现为一个动态过程，充满偶然性和个性化特征。