In a significant tightening of legal controls over the press,Lord Irvine,the Lord Chancellor,will introduce a draft bill that will propose making payments to witnesses illegal and will strictly control the amount of publicity that can be given to a case before a trial begins.
帮忙翻译In a significant tightening of legal controls over the press,即可.
参考答案是：为了更有效地对新闻界实施合法监控
请分析下此句子的用法,尤其是in、of.
如何就翻译出“为了.
此句每个单词我都认识，可就是翻译不出答案的意思。