Luckily for you, I happen to have the key.
你很运气，我正好带了钥匙。
Luckily for you, the fabric is a non-iron material.
幸运的是，织物是一种非铁材料。
Luckily for you, I will be dishing out plenty of pain elsewhere today.
你很走运，我今天会把心中的不满释放到别处。
Luckily for you, a fine library by the name of twitterlibphp is available (see Resources).
幸运的是，有一个非常好的库可用，即twitterlibphp(请参阅参考资料)。
Luckily, this utility library does most of the work for you.
幸运的是，此实用库能够为您做大部分工作。
Luckily, this utility library does most of the work for you.
幸运的是，此实用库能够为您做大部分工作。
应用推荐