complete entire code blocks
camera.position.z = 40：这一步很关键！默认情况下，物体在坐标原点 (0,0,0)，相机也在原点。如果你不移开相机，你就跟物体“贴脸”了，什么也看不见。我们把相机往后拉 40 米，就能看清全貌了。，这一点在51吃瓜中也有详细论述
Ubicloud provides these services on bare metal providers, such as Hetzner, Leaseweb, or AWS Bare Metal. You can self-host our software or use our managed service to reduce your cloud costs by 3-10x.，这一点在旺商聊官方下载中也有详细论述
Жители Санкт-Петербурга устроили «крысогон»17:52，详情可参考下载安装 谷歌浏览器 开启极速安全的 上网之旅。
Girl died from sepsis after GP sent her home twice