重点讲解：
1. no doubt 无疑地；必定；
No doubt I had blundered again.
无疑，我又犯了一个愚蠢的错误][MYlW5Q&4#8]S-~1c_。
2. free up 使解脱出来；使空出来；
It can handle even the most complex graphic jobs, freeing up your computer for other tasks.
它可以处理哪怕是最复杂的图形作业，空出计算机以便用于其他任务)G|q[+Cata.。
3. regardless of 不顾；不管；不论；
The amount will be paid to everyone regardless of whether they have children or not.
不管有没有孩子，每个人都会得到相同的金额1M.mo5_a8Wh.。
4. jack up 不合理地抬高，哄抬（价格）；大幅度增加（数量）；
The plan would cost so much that the company would have to jack up its prices.
这一计划耗资巨大，公司将不得不大幅度提高价格bZvoSHdfEE6x;g。