Any kind of backing out of the contract will be charged a penalty as has been stated in the penalty clause.
任何背弃合同的行为将受到惩罚,这已在处罚条款里写得很清楚了。
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志,没有人再能说对某事一无所知。