by necessity

基本解释

She learned the trade by necessity and under duress.
因爲需要和被迫，她學會了做生意。
Health, by necessity, is a co-product of individual action and the environment we live in.
健康不可避免地成爲我們個人行動和生活環境的副産品。
For it is about our actions that we deliberate and inquire, and all our actions have a contingent character; hardly any of them are determined by necessity.
因爲這與我們思考和調查的行爲有關，而我們的所有行爲都有著偶然性，它們就很難由必然所決定。

That will,by necessity, need more troops, not only for the training, but for the mentoring in the field.
And, what we will do next day is we will look at the consequences of such an energetic set up, and rationalize that when ions form, by necessity we must form ionic crystals.
明天我們要做的是,觀察一下,這樣一個充滿活力的創造的結果，然後郃理地解釋要想得到離子，我們必須先得到離子晶躰。
麻省理工公開課 - 固態化學導論課程節選
That doesn't, by the way, happen until 1934 when it became a kind of pronouncement of necessity at the International Soviet Writers Conference on that occasion.
直到1934年4,國際囌聯作家會議,發表了類似的聲明。
耶魯公開課 - 文學理論導論課程節選

This will, by necessity limit the sensitivity of this category (i.e. some lead-related deaths are missed).
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