by itself

• He made a device to make the door shut by itself
  他做了一个使门自动关闭的装置。
• Unctad by itself ca ot make decisio
  联合国贸易和发展委员会自己并不能作决议。
• Pirates 2 did a billion all by itself
  《加勒比海盗2 》曾独占了十亿美元惊人票房。
• The machine will start by itself in a few seconds
  机器将在几秒钟后自勋启动。
• By itself , power is neither positive nor negative
  权势本身并非正面或是负面。
• But each method has disadvantages by itself
  但以上每一种方法都存在着缺陷。
• The machine will start by itself in a few seconds
  机器在几秒钟后会自动开启
• Education by itself is no paranormal prophylactic
  这是光凭教育无法预防的。
• Q why did the display will restart by itself
  问：为什么显示器会自动启动？
• He made a device to make the door shut by itself
  他制作了一种能使门自动关闭的装置。