About half a million roadworks pock the city 's streets each year , creating 30 % of all traffic disruptions and costing about 1 billion a year , on a conservative estimate .
Whether it 's acne pock marks , stretch marks after pregnancy , or the legacy of a burn , wound or surgery , few of us like scars on our skin .
粉刺痘痕，产后妊辰纹，烧伤、外伤、术后留下的痕迹谁也不喜欢自己皮肤上的疤痕。
Kicking off her flip-flops , she settled resignedly into her game . The pock and thud of the jokari ball on the baked ground soothed her , and she started to care about whether she could break her own record of consecutive hits . ( She had passed robin 's record long ago . )
