But such tinkering, effective though it sometimes is, may no longer be enough.
不过，这样的微调举措尽管有时也是有效的，但可能再也不够了。
In this increasingly internetworked world, link-based encryption may no longer be the most effective or efficient approach to network security.
在互连网络越来越多的世界里，基于链路的加密可能不再是网络安全最有效或高效方法。
No termination shall be effective until such time as Buyer is no longer committed or otherwise obligated to make any loans or advances, or to grant any credit to Seller.
买方不再有义务或有责任向卖方提供任何贷款、预付款，或给予卖方信用的时间即为担保终止的生效时间。
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