There were swallows in the cloudless blue sky
燕子在万里无云的蓝天飞翔。
The sun shone brightly in a cloudless sky.
太阳在无云的天空中明亮地照耀着。
Thousands of childless couples are to be given new hope by the government.
政府将为数千对无子女的夫妇带来新的希望。
She's been married for years but is still childless.
她结婚多年没有生养。
The changes also mean many educated women are now childless, it added.
研究报告中称，这些变化还表明很多高学历女性目前还没有孩子。