小树用绿色通道放置，大树用红色通道，并且它们都设置一个随机旋转。
Small trees are placed using the green channel and big trees the red and they all have a random rotation.
许多国家的海关有两种通道：绿色通道和红色通道。
A lot of countries have two channels: the green channel and the red channel.
游客须出示他们的行李进行检查，在红色和绿色通道，在各入境管制站的运作。
Visitors are required to present their baggage for checks at the red and Green Channels operational at all entry checkpoints.
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