I. Introduction
II. Informativity
III. Findings
1. Relevance
2. Mutual Knowledge
3. Idioms, Fixed or Semi-fixed Expressions and Met aphors
4. Dual Meaning
5. Dialect and Foreign Language
6. Weights, Measures and Monetary Units
7. Different System in the Target Culture
8. Miscellaneous
IV. Condusion
Appendix
References