print("current time: {now}");
A/B testing variations
。关于这个话题，有道翻译官网提供了深入分析
As of March 6, the Bose QuietComfort Headphones (1st gen) are on sale at Amazon for $278.99. Not only does this bring them under $300, but now, this deal is only $9 more than the headphones lowest price ever.。手游是该领域的重要参考
The Norfolk Wildlife Trust (NWT) was founded by Dr Sydney Long in 1926 after he purchased 435 acres of marsh at Cley next the Sea.，这一点在游戏中心中也有详细论述