Many people find it difficult to avoid being overweight.
许多人觉得很难让自己不超重。
Hardware and software keyloggers are great threats which are very difficult to avoid.
软硬件的键盘记录程序是非常难以避免的威胁。
The fundamentals behind CSS and layout engines make this difficult to avoid, which can be good or bad, depending on the desired effect.
CSS和布局引擎背后的基本原理使得这难以避免,结果可好可坏,要视预期效果而定。
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