Contract generally cannot be scratched or crossed. If any addition, deletion, and modification are needed, two parties should confirm the place needing any modification to show the seriousness.

写好的合同或协议一般不能涂改，如果必须增删修改，双方必须在改正的地方签字确认，以示郑重。

youdao

As the player deliberately dropped the ball directly into the water hazard "the point at which the original ball last crossed the margin of the water hazard" cannot be identified.

因为球员故意把球直接抛到水障碍里，而“原始球最后越过水障碍边缘的那一点”无法判定。

youdao

Perhaps it should have been staffed by Latinos, who cannot see a Great Divide at all: only bridges to be crossed, chances to be seized, another day's march along the road to completing the world's greatest multicultural experiment.

ECONOMIST: A minority worth cultivating