到本周为止，一切严格执法的努力都失败了。
Until this week, every attempt to tighten up the law had failed.
从此病被发现到本周为止，已经过去了100年整，可是依然没有办法治愈。
Although Alzheimer's was identified 100 years ago this week, there is still no cure.
到本周为止，那些努力应对信贷危机的政要们在重建信心这一基本因素上作为甚少。
Until this week the politicians trying to tackle the credit crunch had done little to restore this essential ingredient.
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