重点讲解：
1. thanks to 幸亏；归因于；
Thanks to his parents 'encouragement and support, he finally realized his dream.
多亏了他父母的鼓励与支持，他终于实现了他的梦想tC^vjz4@T~JNYd。
2. distinguish from 区分；辨别；分清；
In analysing a situation, it's essential to distinguish the main aspect from the minor ones.
分析形势，要看清主流和支流J(n0r+&g]X0*[Vk(2^g。
3. the best of both worlds 两头受益；两全其美；
The house combines country surroundings with city convenience, so having the best of both worlds.
这所房子既有乡村的环境又有城市的便利，两全其美*ThwyyGQqX。
4. step back 退一步，置身事外(思考) ；
Let's step back and have another look at this.
让我们退一步想想，重新看待这件事Q(H^UNHwC3。