太空工程师出了名的保守一个原因是失败的代价太高。
One reason space engineers are notoriously conservative is that the costs of failure are high.
许多施工企业在工程实施时，为了实现自己的承诺，不惜代价，拼命工作。
Many enterprises try their best to fulfill the promise made before construction.
许多施工企业在工程实施时，为了实现自己的承诺，不惜代价，拼命工作。
Many enterprises try their best to fulfill the promise made before construction.
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