问无法安装Plone附加组件

EN

C:\Plone43>bin\buildout.exe
Getting distribution for 'lxml==2.3.6'.
Building lxml version 2.3.6.
Building without Cython.
ERROR: 'xslt-config' is not recognized as an internal or external command,
operable program or batch file.

** make sure the development packages of libxml2 and libxslt are installed **

Using build configuration of libxslt
error: Setup script exited with error: Unable to find vcvarsall.bat
An error occurred when trying to install lxml 2.3.6. Look above this message for
 any errors that were output by easy_install.
While:
  Installing.
  Getting section zeo.
  Initializing part zeo.
  Getting distribution for 'lxml==2.3.6'.
Error: Couldn't install: lxml 2.3.6
*************** PICKED VERSIONS ****************
[versions]
archetypes.multilingual = 1.1
plone.app.multilingual = 1.1
plone.multilingual = 1.1
plone.multilingualbehavior = 1.1

*************** /PICKED VERSIONS ***************

C:\Plone43>bin\instance.exe stop
Stopping Windows Service "Zope1810026918".

C:\Plone43>bin\instance.exe start
Starting Windows Service "Zope1810026918".

[buildout]
...
eggs = 
   Pillow
   Plone
   plone.app.iterate
   plone.app.openid
   Products.CMFPlacefulWorkflow
   plone.app.multilingual [archetypes]
   plone.app.multilingual [dexterity]

zcml =
    plone.app.multilingual