Externality : বাহি্যক আচরণ; অগভীরতা;
Related Words
external debt  external trade  externality  See Words Also In
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Appropriate Prepositions
Abide in(বাস করা): I abide in Dhaka with my family.
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Dedicate to (উৎসর্গ করা): His pfe is dedicated to the welfare of the country.
Run into (জড়িয়ে পড়া): He had run into debt.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
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Idioms
Lame excuse (বাজে ওজর): The lame excuse will not do.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.
Up to (পর্যন্ত) - I have done the exercises up to page 40.