My OS is Ubuntu 14.04, and I use MMA 10.
I export a figure ploted in MMA to a pdf file and then import the pdf in Latex, here is the screenshot

As you can see, the spacing in the text is odd. But it becomes normal if the length of each word is not too long.
So, how to fix this problem if there is a long word in the figure? How can I export it to a pdf file properly?
Here is the code to plot the figure
Plot[x, {x, 0, 1}, PlotLegends ->
Placed[{"notethesaapa c in g"}, {Scaled[{0.9, 1.0}], {0.9, 1.0}}],
FrameLabel -> {None, None, "note the saapa c in g" , None},Frame -> True]
PS: I check in Windows and Mac OS, there is no probelm.

Export["~/test.pdf", p]works fine for me on Fedora. – Öskå Nov 27 '14 at 11:49Export["~/test.pdf", p]with the same problem. So, it's a question of Ubuntu. – Eden Harder Nov 27 '14 at 12:05FrameLabel -> {None, None, "note" <> "\[ThinSpace]" <> "the" <> "\[ThinSpace]" <> "saapa" <> "\[ThinSpace]" <> "c" <> "\[ThinSpace]" <> "in" <> "\[ThinSpace]" <> "g", None}? – Öskå Nov 28 '14 at 13:24FrameLabel -> {None, None, Pane["note the saapa c in g"], None}work? – kglr Apr 27 '15 at 05:28