Cleanroom : ন্যূনতম ভুল করে একটি সফটওয়্যার উদ্ভাবন করার পদ্ধতি;
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Appropriate Prepositions
Burdened with (ভারাক্রান্ত): Rahim is burdened with a big family.
Cause of(কারণ): Industry is the cause of your success.
Compete with(প্রতিযোগিতা করা): He does not pke to compete with
Faith in (বিশ্বাস): I have no faith in him.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
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Idioms
Crying need (জরুরী): Mass education is a crying need for India.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.